Fatigue Health Related Diseases & Conditions

Medical conditions are often related to other diseases and conditions. Our doctors have compiled a list of ailments related to the topic of Fatigue Health. These conditions may be a cause or symptom of Fatigue Health or be a condition for which you may be at increased risk.

  • Liver Disease Liver disease can be cause by a variety of things including infection (hepatitis), diseases such as gallstones, high cholesterol...learn more »
  • Rheumatoid Arthritis Rheumatoid arthritis is an autoimmune disease that causes chronic inflammation of the joints, the tissue around the joints, as...learn more »
    In This Article
    Rheumatoid Arthritis Article
    • Rheumatoid arthritis (RA) facts
    • What is rheumatoid arthritis (RA)?
    • What are causes and risk factors of rheumatoid arthritis?
    • What are rheumatoid arthritis symptoms and signs?
    • What are complications of rheumatoid disease?
    • How do physicians diagnose rheumatoid arthritis?
    • What is the treatment for rheumatoid arthritis?
    • "First-line" rheumatoid arthritis medications
    • "Second-line" or "slow-acting" rheumatoid arthritis drugs
    • What are newer treatments for rheumatoid arthritis?
    • What about rheumatoid arthritis and pregnancy?
    • Rheumatoid arthritis diet and other treatments
    • What is the prognosis (outlook) for patients with rheumatoid arthritis?
    • Is it possible to prevent rheumatoid arthritis?
    • What research is being done on rheumatoid arthritis?
    • Where can people get additional information on rheumatoid arthritis?
  • Anemia Anemia is the condition of having less than the normal number of red blood cells or less than the normal quantity of hemoglobin...learn more »
  • Pregnancy (Week By Week, Trimesters) There are many symptoms involved in the 1st, 2nd and 3rd trimesters of pregnancy. The first early pregnancy symptom is typically...learn more »
    In This Article
    Pregnancy (Week By Week, Trimesters) Article
    • Pregnancy facts*
    • Introduction
    • What is the first trimester (week 1-week 12)?
    • What is the second trimester (week 13-week 28)?
    • What is the third trimester (week 29-week 40)?
    • How will my baby develop week by week?
    • What are the changes that happen to a woman's body during her 1st, 2nd, and 3rd trimesters of pregnancy?
    • Body aches
    • Breast changes
    • Constipation
    • Dizziness
    • Fatigue, sleep problems
    • Heartburn and indigestion
    • Hemorrhoids during pregnancy
    • Itching
    • Leg cramps
    • Morning sickness
    • Nasal problems
    • Numb or tingling hands
    • Stretch marks, skin changes
    • Swelling
    • Urinary frequency and leaking
    • Varicose veins
  • Headache Headaches can be divided into two categories: primary headaches and secondary headaches. Migraine headaches, tension headaches,...learn more »
    In This Article
    Headache Article
    • Headache facts
    • What is a headache?
    • How are headaches classified?
    • What are primary headaches?
    • What are secondary headaches?
    • What are cranial neuralgias, facial pain, and other headaches?
    • What causes tension headaches?
    • What are the symptoms of tension headaches?
    • How are tension headaches diagnosed?
    • How are tension headaches treated?
    • What causes cluster headaches?
    • What are the symptoms of cluster headaches?
    • How are cluster headaches diagnosed?
    • How are cluster headaches treated?
    • Can cluster headaches be prevented?
    • What diseases cause secondary headaches?
    • How are secondary headaches diagnosed?
    • What are the exams and tests for secondary headaches?
    • When should I seek medical care for a headache?
  • Infectious Mononucleosis Infectious mononucleosis is a virus infection in which there is an increase of white blood cells that are mononuclear (with a...learn more »
    In This Article
    Infectious Mononucleosis Article
    • Infectious mononucleosis (mono) facts
    • What is infectious mononucleosis?
    • What is the cause of mono?
    • What are risk factors for mono?
    • How is mono transmitted or spread?
    • What are the symptoms of mono?
    • What are the signs of mono?
    • How is mono diagnosed?
    • What is the usual course and treatment of mono?
    • What are the complications of mono?
    • How can mono be prevented?
    • Conclusion
  • Congestive Heart Failure (CHF) Congestive heart failure (CHF) refers to a condition in which the heart loses the ability to function properly. Heart disease,...learn more »
    In This Article
    Congestive Heart Failure (CHF) Article
    • What is congestive heart failure (CHF)?
    • What causes congestive heart failure?
    • What are the signs and symptoms of congestive heart failure?
    • What are the risk factors for congestive heart failure?
    • How is congestive heart failure diagnosed?
    • What is the treatment for congestive heart failure?
    • What is the prognosis for congestive heart failure?
    • Can congestive heart failure be prevented?
  • Diabetes (Type 1 and Type 2) Diabetes mellitus is a chronic condition characterized by high levels of sugar (glucose) in the blood. The two types of diabetes...learn more »
    In This Article
    Diabetes (Type 1 and Type 2) Article
    • Diabetes facts
    • What is diabetes?
    • What is the impact of diabetes?
    • What causes diabetes?
    • What are the different types of diabetes?
    • Type 1 diabetes
    • Type 2 diabetes
    • Other types of diabetes
    • What are diabetes symptoms?
    • How is diabetes diagnosed?
    • Why is blood sugar checked at home?
    • What are the acute complications of diabetes?
    • What are the chronic complications of diabetes?
    • What can be done to slow diabetes complications?
  • Hypothyroidism Hypothyroidism is any state in which thyroid hormone production is below normal. Normally, the rate of thyroid hormone...learn more »
    In This Article
    Hypothyroidism Article
    • Hypothyroidism facts
    • What is hypothyroidism?
    • What are the thyroid hormones?
    • Thyroid hormone regulation - the chain of command
    • What causes hypothyroidism?
    • What are the symptoms of hypothyroidism?
    • How is hypothyroidism diagnosed?
    • How is hypothyroidism treated?
    • What is subclinical hypothyroidism?
    • What's best for you?
  • Anxiety Anxiety is a feeling of apprehension and fear characterized by physical symptoms. Anxiety disorders are serious medical illnesses...learn more »
    In This Article
    Anxiety Article
    • Generalized anxiety disorder facts
    • What is generalized anxiety disorder (GAD)?
    • What are the different types of anxiety?
    • How common is generalized anxiety disorder?
    • What are causes and risk factors for anxiety?
    • What are anxiety symptoms and signs?
    • How is generalized anxiety disorder diagnosed?
    • What is the treatment for anxiety?
    • What are the side effects of anxiety medications?
    • What are complications of generalized anxiety disorder?
    • Is it possible to prevent anxiety?
    • What is the prognosis of generalized anxiety disorder?
    • Are there support groups for those with generalized anxiety disorder?
    • Where can people find additional information on generalized anxiety disorder?
  • Iron Deficiency Iron is a mineral our bodies need. Iron deficiency is a condition resulting from not enough iron in the body. It is the most...learn more »
    In This Article
    Iron Deficiency Article
    • Iron and iron deficiency facts*
    • What is iron and why do we need it?
    • What is iron deficiency and why is it a concern?
    • What causes iron deficiency?
    • Who is most at risk for iron deficiency?
    • What are the signs and symptoms of iron deficiency?
    • How is iron deficiency diagnosed?
    • How is iron deficiency treated?
    • Can iron deficiency be prevented?
    • Babies
    • Young children (aged 1-5 years)
    • Adolescent girls and women of childbearing age
    • Pregnant women
    • How much iron do I need?
    • What are dietary sources of iron?
    • Dietary sources of Vitamin C
    • Iron overload and hemochromatosis
  • Lupus Systemic lupus erythematosus is a condition characterized by chronic inflammation of body tissues caused by autoimmune disease....learn more »
    In This Article
    Lupus Article
    • Systemic lupus erythematosus facts
    • What is systemic lupus erythematosus? What are the types of lupus?
    • What causes systemic lupus erythematosus? Is lupus hereditary?
    • What is drug-induced lupus?
    • What are lupus symptoms and signs?
    • How is systemic lupus erythematosus diagnosed?
    • What is the treatment for systemic lupus?
    • How can a lupus patient help prevent disease activity (flares)?
    • How can systemic lupus erythematosus affect pregnancy or the newborn?
    • What is the prognosis of lupus? What does the future hold for people with systemic lupus?
    • Where can one get more information about systemic lupus erythematosus?
  • Chest Pain Chest pain is a common complaint by a patient in the ER. Causes of chest pain include broken or bruised ribs, pleurisy,...learn more »
    In This Article
    Chest Pain Article
    • Chest pain facts
    • Chest pain introduction
    • What are the sources of chest pain?
    • What are the causes of chest pain?
    • How is chest pain diagnosed?
    • What is the philosophy of the approach to chest pain diagnosis?
    • What is the diagnosis and treatment for chest pain?
    • Broken or bruised ribs
    • Costochondritis
    • Pleuritis or pleurisy
    • Pneumothorax
    • Shingles
    • Pneumonia
    • Pulmonary embolism
    • Angina and heart attack (myocardial infarction)
    • Pericarditis
    • Aorta and aortic dissection
    • Esophagus and reflux esophagitis
    • Referred abdominal pain
  • Hepatitis C (HCV, Hep C) Hepatitis C is an inflammation of the liver due to the hepatitis C virus (HCV), which is usually spread by blood transfusion,...learn more »
    In This Article
    Hepatitis C (HCV, Hep C) Article
    • Hepatitis C infection (HCV, hep C) facts
    • What is hepatitis C infection?
    • What is the nature (biology) of the hepatitis C virus?
    • How does liver damage occur in hepatitis C infection?
    • How is hepatitis C virus spread, is it contagious, and how can transmission be prevented?
    • What are the symptoms of hepatitis C infection?
    • What conditions outside the liver are associated with hepatitis C infection?
    • What is the usual progression of chronic hepatitis C infection?
    • Who is at high risk and should be tested for hepatitis C infection?
    • What are the diagnostic tests for hepatitis C virus and how are they used to diagnose hepatitis C infection?
    • What is the role of a liver biopsy in the management of chronic hepatitis C infection?
    • What is the treatment for hepatitis C infection?
    • Who should receive antiviral therapy for hepatitis C infection?
    • What are the different patterns of response to antiviral treatment?
    • What are the goals of therapy for hepatitis C infection?
    • What are the therapy options for previously untreated patients with chronic hepatitis C infection?
    • How are relapses and nonresponders treated?
    • Should individuals with acute hepatitis C infection be treated?
    • What are the side effects of treatment for hepatitis C infection?
    • What about liver transplantation for hepatitis C infection?
    • What is the current research and what is in the future for hepatitis C infection?
  • Esophagitis Esophagitis is caused by an infection or irritation of the esophagus. Infections that cause esophagitis include candida yeast...learn more »
    In This Article
    Esophagitis Article
    • What is esophagitis?
    • What causes esophagitis?
    • What are the types of esophagitis?
    • What are the symptoms of esophagitis?
    • How is esophagitis diagnosed?
    • How is esophagitis treated?
    • What about esophagitis and diet?
    • What options are there for pain relief for esophagitis?
    • What are the complications of esophagitis?
    • Can esophagitis be prevented?
    • What is the prognosis for esophagitis?
  • Jet Lag Jet lag (desynchonosis) is a temporary disorder that results from travel across time zones. Symptoms include anxiety,...learn more »
    In This Article
    Jet Lag Article
    • What is jet lag?
    • What are other symptoms and signs of jet lag?
    • What is a time zone?
    • Why does jet lag occur?
    • How does the body keep time?
    • What is the role of melatonin in jet lag?
    • Does the direction of travel matter?
    • Do the symptoms of jet lag vary in intensity?
    • How long does jet lag last?
    • What are the best ways to cope with jet lag?
    • Should I take melatonin?
  • Cushing's Syndrome Cushing's syndrome, sometimes referred to as hypercortisolism, is a hormonal disorder caused by prolonged exposure to high levels...learn more »
    In This Article
    Cushing's Syndrome Article
    • Cushing's syndrome facts*
    • What is Cushing's syndrome?
    • What are the symptoms of Cushing's syndrome?
    • What causes Cushing's syndrome?
    • How is Cushing's syndrome diagnosed?
    • How is Cushing's syndrome treated?
    • What research is being done on Cushing's syndrome?
    • For more information
  • Sore Throat Sore throats are generally described as pain or discomfort in the throat area. A sore throat may be caused by bacterial or viral...learn more »
    In This Article
    Sore Throat Article
    • Definition of a sore throat
    • What is the difference between sore throat and strep throat?
    • What are the causes of sore throat?
    • What are the signs and symptoms of a sore throat?
    • Is a sore throat contagious?
    • When should I see a doctor for a sore throat?
    • How is the diagnosis of sore throat made?
    • What are home remedies to soothe a sore throat?
    • What OTC medications will soothe a sore throat?
    • Are antibiotics necessary for a sore throat?
    • How can I prevent a sore throat?
  • Alcoholism Alcoholism is a disease that includes alcohol craving and continued drinking despite repeated alcohol-related problems, such as...learn more »
    In This Article
    Alcoholism Article
    • Alcohol use disorder facts
    • What is alcohol abuse?
    • What is alcoholism?
    • What differentiates alcohol abuse from alcoholism?
    • What are risk factors for alcoholism?
    • What causes alcoholism? Is alcoholism hereditary?
    • What are alcohol use disorder symptoms and signs in teenagers, women, men, and the elderly?
    • How do physicians diagnose alcohol use disorder?
    • What are the stages of alcohol use disorder?
    • What is the treatment for alcohol use disorder?
    • What medications treat alcohol use disorder?
    • How can you tell if someone has a drinking problem?
    • Can an alcoholic just cut back or stop drinking?
    • Is there a safe level of drinking?
    • Is it safe to drink alcohol while pregnant?
    • How can someone find more information or get help or support to treat alcohol use disorder?
    • What are the long-term physical and psychological effects of alcohol use disorder?
    • What is codependency, and what is the treatment for codependency?
    • Is it possible to prevent alcohol use disorder?
    • What is the prognosis of alcohol use disorder?
  • Heart Attack Heart attack happens when a blood clot completely obstructs a coronary artery supplying blood to the heart muscle. A heart...learn more »
    In This Article
    Heart Attack Article
    • Heart attack facts
    • What is a heart attack?
    • What causes a heart attack?
    • What are the symptoms of a heart attack?
    • What are the complications of a heart attack?
    • What are the risk factors for atherosclerosis and heart attack?
    • How is a heart attack diagnosed?
    • What is the treatment for heart attack?
    • What are the risk factors for heart attack in women?
    • What are the symptoms of heart attack in women and how is heart attack diagnosed?
    • How is heart attack in women treated?
    • What about hormone therapy and heart attack in women?
    • What is new in heart attack?
  • Depression Depression is an illness that involves the body, mood, and thoughts and affects the way a person eats and sleeps, the way one...learn more »
    In This Article
    Depression Article
    • Depression facts
    • What is a depressive disorder?
    • What are myths about depression?
    • What are the types of depression, and what are depression symptoms and signs?
    • Depression symptoms and signs in men
    • Depression symptoms and signs in women
    • Depression symptoms and signs in teenagers
    • Depression symptoms and signs in children
    • What are the causes and risk factors of depression?
    • Postpartum depression
    • How is depression diagnosed?
    • What treatments are available for depression?
    • What is the general approach to treating depression?
    • What about sexual dysfunction related to antidepressants?
    • What about discontinuing antidepressants?
    • What are complications of depression?
    • What is the prognosis for depression?
    • How can depression be prevented?
    • What about self-help and home remedies?
    • How can someone help a person who is depressed?
    • Where can one seek help for depression?
    • What is in the future for depression?
    • Where can people find more information about depression?
  • Thyroid Disorders There are several types of thyroid disorders including hypothyroidism, hyperthyroidism, goiters, thyroid nodules, and thyroid...learn more »
    In This Article
    Thyroid Disorders Article
    • What are thyroid disorders?
    • What are the specific kinds of thyroid disorders?
    • Hypothyroidism
    • Hyperthyroidism
    • Goiter
    • Thyroid nodules
    • Thyroid cancer
    • How are thyroid disorders diagnosed?
    • What is the treatment for thyroid disorders?
    • Thyroid medications
    • Thyroid surgery
    • What is the outlook for thyroid disorders?
  • Mitral Valve Prolapse (MVP) Mitral valve prolapse (MVP) is also also known as "click murmur syndrome" and "Barlow's syndrome." Mitral valve prolapse is the...learn more »
    In This Article
    Mitral Valve Prolapse (MVP) Article
    • Mitral valve prolapse facts
    • What is mitral valve prolapse?
    • What are the sign and symptoms of mitral valve prolapse?
    • How is mitral valve prolapse diagnosed and evaluated?
    • What is the treatment for mitral valve prolapse?
  • Fibromyalgia Fibromyalgia is a chronic pain condition characterized by symptoms such as fatigue, sleep disturbances, and tender points. Stress...learn more »
    In This Article
    Fibromyalgia Article
    • Fibromyalgia facts
    • What is fibromyalgia?
    • What causes fibromyalgia?
    • Is fibromyalgia hereditary?
    • What are risk factors for fibromyalgia?
    • What are fibromyalgia symptoms and signs?
    • How do physicians diagnose fibromyalgia?
    • What is the treatment for fibromyalgia?
    • Are there any home remedies for fibromyalgia?
    • Does diet or exercise affect fibromyalgia?
    • What is the prognosis of fibromyalgia?
    • Is it possible to prevent fibromyalgia?
    • Are there support groups for fibromyalgia?
    • What is the latest research on fibromyalgia?
  • Hepatitis B (HBV, Hep B) The hepatitis B virus (HBV, hep B) is a unique, coated DNA virus belonging to the Hepadnaviridae family of viruses. The course of...learn more »
    In This Article
    Hepatitis B (HBV, Hep B) Article
    • Hepatitis B facts
    • What is hepatitis?
    • How is the hepatitis B virus spread (transmitted)?
    • What are the symptoms of acute hepatitis B?
    • What are the symptoms of chronic hepatitis B?
    • How is hepatitis B diagnosed?
    • What is the role of a liver biopsy in chronic hepatitis B?
    • What is the natural course of chronic hepatitis B?
    • What medications are used to treat hepatitis B?
    • What are the effects of alcohol on hepatitis B?
    • What are the effects of immunosuppressive medications on hepatitis B?
    • What is delta hepatitis?
    • What about co-infection with hepatitis B virus and hepatitis C virus?
    • What happens in co-infection with hepatitis B virus and HIV?
    • What is the role of liver transplantation in hepatitis B?
    • What can be done to prevent hepatitis B?
    • What is new in the treatment of hepatitis B?
  • Hypothyroidism During Pregnancy Hypothyroidism during pregnancy can be treated with synthetic thyroid hormones to maintain the proper thyroid hormone balance....learn more »
    In This Article
    Hypothyroidism During Pregnancy Article
    • Hypothyroidism during pregnancy facts
    • Introduction
    • What is the thyroid gland?
    • What happens with thyroid disease?
    • How is hypothyroidism treated during pregnancy?
    • What are the consequences of hypothyroidism during pregnancy?
    • How early does the mother's thyroid hormone affect the unborn baby?
    • What can be done to avoid the consequences of hypothyroidism in pregnancy?
  • Sleep Apnea Sleep apnea is defined as a reduction or cessation of breathing during sleep. The three types of sleep apnea are central apnea,...learn more »
    In This Article
    Sleep Apnea Article
    • Sleep apnea facts
    • What is sleep apnea?
    • What are the types of sleep apnea?
    • What is central sleep apnea and what causes it?
    • What is obstructive sleep apnea and what causes it?
    • How common is obstructive sleep apnea?
    • What are obstructive sleep apnea symptoms?
    • What are some of the complications of sleep apnea?
    • How is obstructive sleep apnea diagnosed and evaluated?
    • What are the nonsurgical treatments for obstructive sleep apnea?
    • What are the surgical treatments for obstructive sleep apnea?
    • Why is it important to treat obstructive sleep apnea?
  • Connective Tissue Disease Connective tissue disease is when the body's connective tissues come under attack, possibly becoming injured by inflammation....learn more »
    In This Article
    Connective Tissue Disease Article
    • What is a connective tissue disease?
    • What causes connective tissue disease?
    • What are symptoms and signs of a connective tissue disease?
    • How are connective tissue diseases diagnosed?
    • What are genetic risk factors for developing connective tissue disease?
    • What autoimmune diseases are associated with connective tissue disease?
  • Fibromyalgia Fibromyalgia, formerly known as fibrositis, causes chronic pain, stiffness, and tenderness of muscles, tendons, and joints...learn more »
    In This Article
    Fibromyalgia Article
    • Fibromyalgia facts
    • What is fibromyalgia?
    • What causes fibromyalgia?
    • Whom does fibromyalgia affect?
    • What are fibromyalgia symptoms and signs?
    • How is fibromyalgia diagnosed?
    • Are exercise, stress reduction, or changes in diet helpful in the treatment of fibromyalgia?
    • What are medications and other forms of treatment for fibromyalgia?
    • What is the outlook (prognosis) for patients with fibromyalgia?
    • Can fibromyalgia be prevented?
    • What is in the future for fibromyalgia therapy?
    • Where can people find more information about fibromyalgia and support groups?
  • Cytomegalovirus (CMV) Cytomegalovirus (CMV) is a virus that is spread from person to person via spit, semen, vaginal secretions, urine, blood, sexual...learn more »
    In This Article
    Cytomegalovirus (CMV) Article
    • Cytomegalovirus (CMV) infection facts
    • What is cytomegalovirus (CMV)?
    • What causes cytomegalovirus infection?
    • What are the risk factors for cytomegalovirus infection?
    • How is cytomegalovirus transmitted?
    • What are cytomegalovirus symptoms and signs?
    • How do physicians diagnose cytomegalovirus infection?
    • What is the treatment for cytomegalovirus infection?
    • What is the prognosis of cytomegalovirus infection?
    • What are complications of cytomegalovirus infection?
    • Is it possible to prevent cytomegalovirus infection? Is there a CMV vaccine?
  • Cancer Cancer is a disease caused by an abnormal growth of cells, also called malignancy. It is a group of 100 different diseases, and...learn more »
    In This Article
    Cancer Article
    • Cancer facts
    • What is cancer?
    • What causes cancer?
    • What are cancer symptoms and signs?
    • What are the different types of cancer?
    • How is cancer diagnosed?
    • How is cancer staging determined?
    • What is the treatment for cancer?
    • What is the prognosis for cancer?
    • Can cancer be prevented?
    • Where can people find more information about cancer?
  • Myofascial Pain Syndrome Myofascial pain syndrome is muscle pain in the body's soft tissues due to injury or strain. Symptoms include muscle pain with...learn more »
    In This Article
    Myofascial Pain Syndrome Article
    • Myofascial pain syndrome facts
    • What is myofascial pain syndrome?
    • What are causes and risk factors for myofascial pain syndrome?
    • What are myofascial pain syndrome symptoms and signs?
    • How is myofascial pain syndrome diagnosed?
    • What is the treatment for myofascial pain syndrome?
    • What is the prognosis of myofascial pain syndrome?
    • Can myofascial pain syndrome be prevented?
  • Marfan Syndrome Marfan syndrome is hereditary condition affecting connective tissue. A person with Marfan syndrome may exhibit the following...learn more »
    In This Article
    Marfan Syndrome Article
    • Marfan syndrome facts*
    • What is Marfan syndrome?
    • What are the symptoms of Marfan syndrome?
    • What causes Marfan syndrome?
    • How is Marfan syndrome diagnosed?
    • What types of doctors treat Marfan syndrome?
    • What treatment options are available for Marfan syndrome?
    • What are some of the emotional and psychological effects of Marfan syndrome?
    • What research is being conducted on Marfan syndrome?
    • Where can people find additional information about Marfan syndrome?
  • Drug Abuse Drug addiction is a chronic disease that causes drug-seeking behavior and drug use despite negative consequences to the user and...learn more »
    In This Article
    Drug Abuse Article
    • Drug abuse and addiction facts
    • What is drug abuse?
    • What is drug addiction?
    • What types of drugs are commonly abused?
    • What are the physical and psychological effects of drug abuse and addiction?
    • What are causes and risk factors for drug abuse and addiction?
    • What are symptoms and signs of drug abuse and addiction?
    • What happens to your brain when you take drugs?
    • How is drug addiction diagnosed?
    • What is the treatment for drug addiction?
    • What are complications of drug addiction?
    • What is the prognosis of drug addiction?
    • Can drug abuse and addiction be prevented?
    • Where can people get help for drug abuse or addiction?
  • Obesity Obesity is the state of being well above one's normal weight. A person has traditionally been considered to be obese if they are...learn more »
    In This Article
    Obesity Article
    • Obesity facts
    • What is obesity?
    • How common is obesity?
    • What are the health risks associated with obesity?
    • What causes obesity?
    • What are other factors associated with obesity?
    • How is body fat measured?
    • What about weight-for-height tables?
    • What is the body mass index (BMI)?
    • Does it matter where body fat is located?
    • What can be done about obesity?
    • What is the role of physical activity and exercise in obesity?
    • What is the role of diet in the treatment of obesity?
    • What is the role of medication in the treatment of obesity?
    • What about herbal fen/phen?
    • What about meal substitutes, artificial sweeteners, and OTC products?
    • What is the role of surgery in the treatment of obesity?
    • How can patients choose a safe and successful weight-loss program?
  • Chronic Fatigue Syndrome Chronic fatigue syndrome is a debilitating and complex disorder characterized by profound fatigue that lasts 6 months or longer,...learn more »
    In This Article
    Chronic Fatigue Syndrome Article
    • Chronic fatigue syndrome (CFS) facts
    • What is chronic fatigue syndrome?
    • What causes chronic fatigue syndrome?
    • What are risk factors for chronic fatigue syndrome?
    • What are symptoms and signs of chronic fatigue syndrome?
    • What are chronic fatigue syndrome symptoms in men?
    • What are chronic fatigue syndrome symptoms in women?
    • How is chronic fatigue syndrome diagnosed?
    • What is the treatment for chronic fatigue syndrome?
    • Is there a cure for chronic fatigue syndrome?
    • What is the prognosis of chronic fatigue syndrome?
    • Can chronic fatigue syndrome be prevented?
    • Where can people find additional information about chronic fatigue syndrome?
  • Anorexia Anorexia is an eating disorder characterized by markedly reduced appetite or total aversion to food. Anorexia is a serious...learn more »
    In This Article
    Anorexia Article
    • Anorexia nervosa facts
    • What is anorexia nervosa?
    • Who is at risk for anorexia nervosa?
    • What causes anorexia nervosa?
    • How is anorexia nervosa diagnosed?
    • What are anorexia symptoms and signs (psychological and behavioral)?
    • What are anorexia symptoms, signs, and complications (physical)?
    • What is the treatment for anorexia nervosa?
    • What is the prognosis (outcome) of anorexia nervosa?
    • How can anorexia nervosa be prevented?
    • The future of anorexia nervosa
    • Where can a person get help for anorexia nervosa?
  • Pneumonia Pneumonia is inflammation of the lungs caused by fungi, bacteria, or viruses. Symptoms and signs include cough, fever, shortness...learn more »
    In This Article
    Pneumonia Article
    • Pneumonia facts
    • What is pneumonia?
    • What are the different types of pneumonia?
    • What causes pneumonia?
    • What are risk factors for pneumonia?
    • What are pneumonia symptoms and signs?
    • How do doctors diagnose pneumonia?
    • What is the treatment for pneumonia?
    • What are complications of pneumonia?
    • What is the prognosis of pneumonia?
    • Is it possible to prevent pneumonia? Is there a pneumonia vaccine?
  • Sleep A number of vital tasks carried out during sleep help maintain good health and enable people to function at their best. Sleep...learn more »
    In This Article
    Sleep Article
    • What is sleep?
    • What are the stages of sleep?
    • How much sleep does a person need?
    • Does the amount of sleep we need change as we age?
    • What are signs and symptoms of sleep deprivation?
    • What are and what causes sleep disorders?
    • How are sleep problems diagnosed?
    • How are sleep problems treated?
    • Sleep hygiene
    • Other therapies
    • Sleep aids (prescription and OTC)
    • Are sleep problems and disease related?
    • How can I get a good night's sleep?
  • Hepatitis (Viral Hepatitis, A, B, C, D, E, G) Hepatitis is most often viral, due to infection with one of the hepatitis viruses (A, B, C, D, E, F (not confirmed), and G) or...learn more »
    In This Article
    Hepatitis (Viral Hepatitis, A, B, C, D, E, G) Article
    • Viral hepatitis facts
    • Viral hepatitis definition and overview
    • What are the common types of viral hepatitis?
    • Who is at risk for viral hepatitis?
    • What are the symptoms and signs of viral hepatitis?
    • What is acute fulminant hepatitis?
    • What is chronic viral hepatitis?
    • How is viral hepatitis diagnosed?
    • What is the treatment for viral hepatitis?
    • How is viral hepatitis prevented?
    • Hepatitis vaccinations
    • What is the prognosis of viral hepatitis?
  • Liver (Anatomy and Function) The liver is the largest gland and organ in the body. There are a variety of liver diseases caused by liver inflammation,...learn more »
    In This Article
    Liver (Anatomy and Function) Article
    • What is the liver? Is it a gland or an organ?
    • What is the functional purpose of the liver?
    • What does the liver look like, and where is it located in the body?
    • What diseases affect the liver?
    • Fatty liver disease
    • Cirrhosis
    • Infections
    • Hepatitis
    • Medications
    • Toxins
    • Genetic disorders
    • Cancer
    • Abnormalities of bile flow from the liver
    • Decrease in blood flow draining from the liver
    • What are symptoms of diseases of the liver?
    • How is an examination of the liver performed?
    • What is a liver biopsy?
    • Can diseases of the liver be prevented?
  • Rocky Mountain Spotted Fever Rocky Mountain spotted fever (RMSF) is an infectious disease that's transmitted by the bite of a tick infected with the...learn more »
    In This Article
    Rocky Mountain Spotted Fever Article
    • Rocky Mountain spotted fever (RMSF) facts
    • What is Rocky Mountain spotted fever?
    • Where do most cases of RMSF occur in the U.S.?
    • What is the history of Rocky Mountain spotted fever?
    • What causes Rocky Mountain spotted fever?
    • What are risk factors for Rocky Mountain spotted fever?
    • What are symptoms and signs of Rocky Mountain spotted fever in children and adults?
    • How is Rocky Mountain spotted fever diagnosed?
    • What is the treatment for Rocky Mountain spotted fever in children and adults?
    • What are complications of Rocky Mountain spotted fever?
    • What is the prognosis of Rocky Mountain spotted fever in children and adults?
    • How can people safely remove a tick?
    • Can Rocky Mountain spotted fever be prevented?
    • Where can people find more information on Rocky Mountain spotted fever?
  • High Blood Pressure Treatment High blood pressure (hypertension) means high pressure (tension) in the arteries. Treatment for high blood pressure include...learn more »
    In This Article
    High Blood Pressure Treatment Article
    • What is high blood pressure (hypertension)?
    • Which lifestyle modifications are beneficial in treating high blood pressure?
    • Alcohol
    • Smoking
    • Coffee and caffeinated beverages
    • Salt
    • Other dietary considerations
    • Obesity
    • Exercise and stress reduction
    • How is high blood pressure treated?
    • Starting treatment for high blood pressure
    • Treatment with combinations of drugs for high blood pressure
    • Emergency treatment for high blood pressure
    • Treatment during pregnancy
    • Which medications are used to treat high blood pressure
    • Angiotensin converting enzyme inhibitors (ACE inhibitors) and angiotensin receptor blockers
    • Beta blockers
    • Diuretics
    • Calcium channel blockers (CCBs)
    • Alpha blockers
    • Clonidine
    • Minoxidil
    • Renin inhibitors
    • Aldosterone blockers
    • Combining agents
    • What about the patient's compliance with medication regimens?
    • Is alternative medicine used to treat high blood pressure?
    • What are the complications of high blood pressure?
    • Can high blood pressure be prevented?
    • What's new in high blood pressure?
  • Heart Failure Heart failure is caused by many conditions including coronary artery disease, heart attack, cardiomyopathy, and conditions that...learn more »
    In This Article
    Heart Failure Article
    • What is Heart Failure?
    • What Causes Heart Failure?
    • What are the Symptoms of Heart Failure?
    • What are the Types of Heart Failure?
    • How is Heart Failure Diagnosed?
    • How is Heart Failure Treated?
    • Stages of Heart Failure
    • How Can I Prevent Heart Failure From Worsening?
    • How Can I Prevent Further Heart Damage?
    • What Medications Should I Avoid?
    • How Can I Improve My Quality of Life?
    • What Surgical Procedures are Used to Treat Heart Failure?
    • Treatment is a Team Effort
    • What is the Outlook for People with Heart Failure?
  • Tuberculosis (TB) Mycobacterium tuberculosis is the bacterium that causes tuberculosis (TB). Symptoms and signs of TB include bloody sputum, fever,...learn more »
    In This Article
    Tuberculosis (TB) Article
    • Tuberculosis (TB) facts
    • What is tuberculosis?
    • Are there different types of tuberculosis?
    • What causes tuberculosis?
    • What are risk factors for tuberculosis?
    • What are tuberculosis symptoms and signs?
    • How do physicians diagnose tuberculosis?
    • What is the treatment for tuberculosis?
    • What are complications of tuberculosis?
    • What is the prognosis of tuberculosis?
    • How can people prevent tuberculosis?
  • Insomnia Insomnia is the perception or complaint of inadequate or poor-quality sleep because of difficulty falling asleep; waking up...learn more »
    In This Article
    Insomnia Article
    • Insomnia facts
    • What is insomnia?
    • What causes insomnia?
    • What are the risk factors for insomnia?
    • What acute situational and stress factors cause insomnia?
    • What are the symptoms of insomnia?
    • When should I call the doctor about insomnia?
    • How is insomnia diagnosed?
    • How is insomnia treated?
    • What are non-medical treatments for insomnia?
    • What is sleep hygiene?
    • How can stimulus control help with insomnia?
    • What is sleep restriction?
    • What medications are used to treat insomnia?
    • What is the outlook for insomnia?
  • Grief: Loss of a Loved One Grief is the feeling one experiences after a loss (of a friendship, death of loved one, job). Complicated grief refers to grief...learn more »
    In This Article
    Grief: Loss of a Loved One Article
    • Grief: Loss of a loved one facts
    • What is grief?
    • What is mourning?
    • What are the effects of losing a loved one?
    • What are the causes and risk factors of prolonged grief?
    • What are the signs, symptoms, and stages of grief?
    • How is grief assessed?
    • How can people cope with grief?
    • What are the legal issues associated with dying and death?
    • Where can people get help?
  • Histoplasmosis Histoplasmosis is a disease caused by the Histoplasma capsulatum fungus. Symptoms and signs of this infection are fever, dry...learn more »
    In This Article
    Histoplasmosis Article
    • Histoplasmosis facts
    • What is histoplasmosis?
    • What causes histoplasmosis?
    • What are the symptoms and signs of histoplasmosis?
    • Are there different types of histoplasmosis?
    • How is histoplasmosis transmitted?
    • How is histoplasmosis diagnosed?
    • How is histoplasmosis treated?
    • What are the complications seen with histoplasmosis?
    • How is histoplasmosis prevented?
    • What is the prognosis (outlook) for people with histoplasmosis?
    • Where is more information available on histoplasmosis?
  • Narcolepsy Narcolepsy, a chronic disease of the central nervous system causes have not been fully determined. Some theories include...learn more »
    In This Article
    Narcolepsy Article
    • Narcolepsy facts
    • What is narcolepsy?
    • How common is narcolepsy?
    • What causes narcolepsy?
    • What are the symptoms of narcolepsy?
    • Excessive daytime sleepiness (EDS)
    • Cataplexy
    • Hypnagogic hallucinations
    • Sleep paralysis
    • Additional symptoms
    • How is narcolepsy diagnosed?
    • How is narcolepsy treated?
    • Medications
    • Non-drug treatments
    • What is the outcome (prognosis) for patients with narcolepsy?
    • What's in the future for narcolepsy?
    • For more information
  • Hepatitis A (HAV, Hep A) Hepatitis means inflammation of the liver. Hepatitis A (HAV, Hep A) is one type of liver disease caused by a virus. Since...learn more »
    In This Article
    Hepatitis A (HAV, Hep A) Article
    • Hepatitis A facts*
    • What is hepatitis A?
    • What is the liver?
    • Who gets hepatitis A?
    • How could I get hepatitis A?
    • What are the symptoms of hepatitis A?
    • How is hepatitis A diagnosed?
    • How is hepatitis A treated?
    • How can I avoid getting hepatitis A?
    • What should I do if I think I have been exposed to the hepatitis A virus?
    • Eating, diet, and nutrition
    • Hope through Research
    • For More Information
    • Acknowledgments
  • Human Immunodeficiency Virus (HIV) The human immunodeficiency virus (HIV) causes HIV infection and the acquired immunodeficiency syndrome (AIDS). Symptoms and signs...learn more »
    In This Article
    Human Immunodeficiency Virus (HIV) Article
    • Human immunodeficiency virus (HIV) facts
    • What is the human immunodeficiency virus?
    • What is the history of HIV?
    • What causes an HIV infection?
    • What are the different stages of an HIV infection?
    • What are risk factors for an HIV infection?
    • What are HIV infection symptoms and signs?
    • How do health-care professionals diagnose an HIV infection? What are the different types of HIV tests?
    • What is the treatment for an HIV infection?
    • What are complications of an HIV infection?
    • What is the prognosis of an HIV infection?
    • Is it possible to prevent the transmission of HIV?
    • What research is being done on HIV?
    • Are support groups available for people who are HIV positive?
    • Where can people find more information on HIV?
  • Heart Disease (Coronary Artery Disease) Heart disease (coronary artery disease) occurs when plaque builds up in the coronary arteries, the vessels that supply blood to...learn more »
    In This Article
    Heart Disease (Coronary Artery Disease) Article
    • What is heart disease?
    • What are the risk factors for heart disease?
    • What causes heart disease?
    • What are the symptoms of heart disease?
    • How is heart disease diagnosed?
    • What is the treatment for heart disease?
    • What is the prognosis for heart disease?
    • Can heart disease be prevented?
  • Scarlet Fever Scarlet fever is an infectious disease caused by the bacteria group A Streptococcus. Symptoms and signs include a rash, sore...learn more »
    In This Article
    Scarlet Fever Article
    • Scarlet fever facts
    • What is scarlet fever?
    • What is the history of scarlet fever?
    • What causes scarlet fever?
    • What are scarlet fever symptoms and signs?
    • How long is scarlet fever contagious?
    • How is scarlet fever diagnosed?
    • What is the treatment for scarlet fever?
    • Can scarlet fever be prevented?
    • What is the prognosis for scarlet fever?
  • Pregnancy Symptoms (Am I Pregnant?) Pregnancy symptoms can vary from woman to woman, but some common symptoms include mood changes, headaches, lower back pain,...learn more »
    In This Article
    Pregnancy Symptoms (Am I Pregnant?) Article
    • 8 fast pregnancy symptoms facts
    • Pregnancy symptoms in general
    • 13 signs and symptoms of early pregnancy
    • 8 signs and symptoms of later pregnancy
    • 8 options for relief of pregnancy symptoms
  • COPD (Chronic Obstructive Pulmonary Disease) COPD or chronic obstructive pulmonary disease is a lung condition caused by smoking tobacco, exposure to secondhand smoke, and/or...learn more »
    In This Article
    COPD (Chronic Obstructive Pulmonary Disease) Article
    • What is chronic obstructive pulmonary disease (COPD)?
    • What are the risk factors for COPD?
    • What other diseases or conditions contribute to COPD?
    • What causes COPD?
    • What are the signs and symptoms of COPD?
    • When should I call my doctor about COPD?
    • How is COPD diagnosed?
    • What is the treatment for COPD?
    • Home remedies for COPD?
    • Medications for COPD
    • Surgery to COPD
    • Can COPD be prevented?
    • What is the prognosis and life expectancy for a person with COPD?
  • Brucellosis Brucellosis is an infectious disease caused by the Brucella bacteria. Symptoms and signs include sweating, fever, fatigue,...learn more »
    In This Article
    Brucellosis Article
    • What is brucellosis?
    • What is the history of brucellosis?
    • What causes brucellosis?
    • How is brucellosis transmitted?
    • What are the symptoms and signs of brucellosis?
    • How is brucellosis diagnosed?
    • What is the treatment for brucellosis?
    • What are the complications of brucellosis?
    • How can brucellosis be prevented?
    • Brucellosis At A Glance
  • Malaria Malaria is a disease that is spread by the bite of an infected Anopheles mosquito. Malaria symptoms include fever, chills,...learn more »
    In This Article
    Malaria Article
    • Malaria facts
    • What is malaria?
    • What causes malaria?
    • What are risk factors for malaria? Is it possible to prevent malaria?
    • What are malaria symptoms and signs?
    • How do physicians diagnose malaria?
    • What is the treatment for malaria?
    • What is the prognosis of malaria?
    • Is there a malaria vaccine?
    • Can malaria reoccur after treatment?
  • Mental Health Mental health is an optimal way of thinking, relating to others, and feeling. All of the diagnosable mental disorders fall under...learn more »
    In This Article
    Mental Health Article
    • Mental health and mental illness facts
    • What is mental health?
    • What is mental illness?
    • What are common types of mental illness?
    • What are the causes and risk factors for mental illness?
    • What are symptoms and signs of mental illness?
    • How is mental illness diagnosed?
    • What is the treatment for a mental health problem?
    • Can mental health disorders be prevented?
    • What is the prognosis for mental health problems?
    • Where can people get support for mental health disorders?
    • Where can people get more information about mental illnesses?
  • Flu (Influenza) Influenza (flu) is a respiratory illness caused by a virus. Flu symptoms include fever, cough, sore throat, runny nose, headache,...learn more »
    In This Article
    Flu (Influenza) Article
    • Flu (influenza, conventional, and H1N1) facts
    • What is influenza?
    • What are the causes of the flu?
    • What are flu symptoms in adults and in children?
    • How is the flu diagnosed?
    • What is the key to flu prevention?
    • Are there any flu shot or nasal spray vaccine side effects in adults or in children?
    • Why should the influenza vaccine be taken every year?
    • What are some treatments an individual can do at home for the flu?
    • When should a person go to the emergency department for the flu?
    • Who should receive the flu vaccine, and who has the highest risk factors? When should someone get the flu shot?
    • What is the prognosis (outlook) and complications for patients who get the flu?
    • What is the bird (avian) flu?
    • Do antiviral agents protect people from the flu?
    • Is it safe to get a flu shot that contains thimerosal?
    • Where can I find additional information about the flu?
  • Heart Attacks in Women Heart disease, particularly coronary artery disease is the leading cause of heart attacks. Women are more likely to die from a...learn more »
    In This Article
    Heart Attacks in Women Article
    • One woman's heart attack story
    • What is heart disease?
    • Do women need to worry about heart disease?
    • Do women of color need to worry about heart disease?
    • What can I do to prevent heart disease?
    • What does high blood pressure have to do with heart disease?
    • How can I lower my blood pressure?
    • What does high cholesterol have to do with heart disease?
    • What do my cholesterol and triglyceride numbers mean?
    • How can I lower my cholesterol?
    • How do I know if I have heart disease?
    • What are the signs and symptoms of a heart attack?
    • One of my family members had a heart attack. Does that mean I'll have one too?
    • Sometimes my heart beats really fast and other times it feels like my heart skips a beat. Am I having a heart attack?
    • Should I take a daily aspirin to prevent heart attack?
    • Does taking birth control pills increase my risk for heart disease?
    • Does using the birth control patch increase my risk for heart disease?
    • Does menopausal hormone therapy (HT, HRT, ET) increase a woman's risk for heart disease?
    • For more information on heart disease in women
  • Asthma Asthma is a condition in which hyperreactive airways constrict and result in symptoms like wheezing, coughing, and shortness of...learn more »
    In This Article
    Asthma Article
    • What is asthma?
    • What causes asthma?
    • What are the signs and symptoms of asthma?
    • How is asthma diagnosed?
    • What is the treatment for asthma?
    • What is an asthma action plan?
    • What is the prognosis for asthma?
    • Can asthma be prevented?
  • Bulimia People with bulimia nervosa, an eating disorder that involves episodes of bingeing and purging, experience symptoms and signs...learn more »
    In This Article
    Bulimia Article
    • Bulimia nervosa facts
    • What is bulimia?
    • What are causes and risk factors for bulimia?
    • What are the symptoms and signs of bulimia?
    • How do physicians diagnose bulimia?
    • What is the treatment for bulimia?
    • What are complications of bulimia?
    • What is the prognosis for bulimia?
    • Is it possible to prevent bulimia?
    • Where can one find more information about bulimia?
    • Are there support groups for people with bulimia?
  • Depression in Children Childhood depression can interfere with social activities, interests, schoolwork and family life. Symptoms and signs include...learn more »
    In This Article
    Depression in Children Article
    • Depression in children facts
    • What is childhood depression?
    • What are the types of depression in children?
    • What are causes and risk factors for depression in children?
    • What are the symptoms and warning signs of depression in children?
    • How is depression in children diagnosed?
    • What should parents do if they suspect that their child is depressed?
    • What is the treatment for depression in children?
    • What are complications of depression in children?
    • What is the prognosis of depression in children?
    • Can depression in children be prevented?
    • Where can families get support for a child with depression?
  • Sleep and Sleep Disorders in Children and Teenagers Sleep needs in children and teenagers depends on the age of the child. Sleep disorders in children such as sleep apnea,...learn more »
    In This Article
    Sleep and Sleep Disorders in Children and Teenagers Article
    • How much sleep do children need?
    • Can a lack of sleep impact a child's behavior?
    • What is sleep hygiene?
    • What are some common sleep disorders in children?
    • What are some common physiological sleep disorder symptoms in children?
    • Sleep apnea symptoms in children
    • Parasomnia symptoms in children
    • Confusional arousals symptoms in children
    • Night terror symptoms in children
    • Narcolepsy symptoms in children
    • Sleepwalking in children
    • Do teenagers have the same sleep requirements as younger children?
    • How can I teach my child or teen healthy sleep habits and good sleep hygiene?
    • What are some ways I can help my child or teenager get a better nights sleep?
    • What are some "dont's" for getting my child or teen to sleep?
  • Pregnancy Body Changes and Discomforts Pregnancy can bring challenges like weight gain, stretch marks, varicose veins, heartburn, constipation, hemorrhoids, problems...learn more »
    In This Article
    Pregnancy Body Changes and Discomforts Article
    • Introduction
    • Body aches
    • Breast changes
    • Constipation
    • Dizziness
    • Fatigue, sleep problems
    • Heartburn and indigestion
    • Hemorrhoids
    • Itching
    • Leg cramps
    • Morning sickness
    • Nasal problems
    • Numb or tingling hands
    • Stretch marks, skin changes
    • Swelling
    • Urinary frequency and leaking
    • Varicose veins
  • Pregnancy Planning Pregnancy planning is important to help prevent exposure of the mother and fetus to potentially harmful medications and...learn more »
    In This Article
    Pregnancy Planning Article
    • Pregnancy planning facts
    • What is pregnancy planning and why is it important?
    • What are pregnancy symptoms?
    • What is a pregnancy calculator and calendar?
    • Who effective are home pregnancy tests?
    • How can diet and nutrition affect early pregnancy?
    • How does alcohol affect pregnancy?
    • How do high blood pressure and diabetes affect pregnancy?
    • What are examples of commonly-used medications that are dangerous in pregnancy?
    • How do kidney and heart disease affect pregnancy?
    • What infections affect pregnancy?
    • What inherited (genetic) diseases can play a role in pregnancy planning?
    • Is it safe to exercise during pregnancy?
    • Can I travel by air during pregnancy?
    • Can I have intercourse during pregnancy?
    • How soon after stopping birth control can I become pregnant?
    • How do we maximize our chances of becoming pregnant?
    • Can I do something to help my chances of conceiving a boy or a girl?
  • Depression in the Elderly Depression in the elderly is very common. That doesn't mean, though, it's normal. Treatment may involve antidepressants,...learn more »
    In This Article
    Depression in the Elderly Article
    • How does depression in the elderly differ from depression in younger adults?
    • How is insomnia related to depression in the elderly?
    • What are risk factors for depression in the elderly?
    • What types of treatment are available for depression in the elderly?
    • How do antidepressants relieve depression in the elderly?
    • Can psychotherapy help relieve depression in the elderly?
    • Who may benefit from electroconvulsive therapy (ECT)?
    • What other problems affect treatment of depression in the elderly?
  • Cancer Fatigue Cancer fatigue is a lack of energy that is caused by cancer or cancer treatment, including chemotherapy, radiation, biological...learn more »
    In This Article
    Cancer Fatigue Article
    • Introduction to cancer fatigue
    • What causes cancer-related fatigue?
    • What other factors contribute to fatigue?
    • What can I do to combat fatigue?
    • How does nutrition impact energy level?
    • How does exercise impact energy level?
    • How can I manage my stress?
    • When should I call my doctor?
  • Holiday Depression and Stress Though the holidays are a fun time for most, for others, they're a sad, lonely and anxiety-filled time. Get tips on how to avoid...learn more »
    In This Article
    Holiday Depression and Stress Article
    • Holiday depression and stress facts
    • What causes the holiday blues?
    • Is the environment and reduced daylight a factor in wintertime sadness?
    • What are symptoms and signs of holiday depression and stress?
    • How is holiday stress and depression diagnosed?
    • What is the treatment for holiday depression and stress?
    • Can holiday stress and depression be prevented?