Lymph nodes help the body's immune system fight infections. Causes of swollen lymph nodes (glands) may include infection (viral, bacterial, fungal, parasites).
In the U.S., more than 2,000 people are diagnosed with bone cancer every year. There are many types of bone cancer. The most common forms of bone cancer
There are four major types of thyroid cancer: papillary, follicular, medullary, and anaplastic thyroid cancer. Tumors on the thyroid are referred to as
Ascites, the accumulation of fluid in the abdominal cavity is most commonly caused by cirrhosis of the liver. Some of the other causes of ascites include
Bronchitis is a disease of the respiratory system in which the bronchial passages become inflamed. There are two types of bronchitis, acute and chronic.
Chronic cough is a cough that does not go away and is generally a symptom of another disorder such as asthma, allergic rhinitis, sinus infection, cigarette
Pleurisy, an inflammation of the lining around the lungs, is associated with sharp chest pain upon breathing in. Cough, chest tenderness, and shortness
Cancer is a disease caused by an abnormal growth of cells, also called malignancy. It is a group of 100 different diseases, and is not contagious. Cancer
Hypercalcemia is a condition in which calcium levels in the blood are elevated. Hypercalcemia is associated with other conditions such as hyperparathyroidism,
COPD (chronic obstructive pulmonary disease) is a disorder that persistently obstructs bronchial airflow. COPD mainly involves three related conditions,
Arsenic comes in two forms, inorganic and organic. Organic arsenic poisoning is usually not poisonous to humans; however, inorganic arsenic in large enough
Though it's difficult to say why some people develop cancer while others don't, research shows that certain risk factors increase a person's odds of developing
Asbestos exposure lung disease is divided into three main types, asbestosis (lung scarring caused by asbestos fibers), disease of the lining of the lung
Mesothelioma is a form of cancer that forms in the chest lining (pleural mesothelioma), abdomen (peritoneal mesothelioma), and the heart sac (pericardial
Nicotine is delivered to the brain through smoking, chewing, or sniffing tobacco. Nicotine is an addictive agent. Common names for nicotine products include
Smoker's lung photo essay is a collection of pictures and microscopic slides of lung disease caused by cigarette smoking. Smoker's lung refers to the diseases
Secondhand smoke can cause illness and disease in nonsmokers. Some of these conditions include lung cancer, heart disease, respiratory illnesses such as
Radon is a radioactive gas that has been confirmed to cause cancers. About 21,000 individuals die each year due to radon exposure. Radon can be found in
Certain behavioral, lifestyle, and environmental factors contribute to cancer. Cancer prevention involves modifying these factors to decrease cancer risk.