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Nicotine is delivered to the brain through smoking, chewing, or sniffing tobacco. Nicotine is an addictive agent. Common names for nicotine products include smokes, cigs, butts, chew, dip, spit, or snuff. Habitual nicotine use leads to many debilitating medical conditions.

    Related Diseases & Conditions

    • Lung Cancer Lung cancer kills more men and women than any other form of cancer. Eight out of 10 lung cancers are due to tobacco smoke. Lung...learn more »
      In This Article
      Lung Cancer Article
      • Lung cancer facts
      • What is lung cancer?
      • How common is lung cancer?
      • What causes lung cancer?
      • What are the types of lung cancer?
      • What are lung cancer symptoms and signs?
      • How is lung cancer diagnosed?
      • What is staging of lung cancer?
      • What is the treatment for lung cancer?
      • What is the prognosis (outcome) of lung cancer?
      • How can lung cancer be prevented?
    • Seizure (Epilepsy) Epilepsy is a brain disorder in which the person has seizures. There are two kinds of seizures, focal and generalized. There are...learn more »
      In This Article
      Seizure (Epilepsy) Article
      • Introduction
      • What is epilepsy?
      • What causes epilepsy?
      • What are the different kinds of seizures?
      • Focal seizures
      • Generalized seizures
      • What are the different kinds of epilepsy?
      • When are seizures not epilepsy?
      • First seizures
      • Febrile seizures
      • Nonepileptic events
      • Eclampsia
      • How is epilepsy diagnosed?
      • Can epilepsy be prevented?
      • How can epilepsy be treated?
      • How does epilepsy affect daily life?
      • Are there special risks associated with epilepsy?
      • What research is being done on epilepsy?
      • How can I help research on epilepsy?
      • What to do if you see someone having a seizure
      • Conclusion
      • Where can I get more information?
    • Emphysema Emphysema is a progressive disease of the lungs. The primary cause of emphysema is smoking. Alpha 1-antitrypsin deficiency is a...learn more »
      In This Article
      Emphysema Article
      • Emphysema facts
      • Introduction to emphysema
      • What is emphysema?
      • What are the causes or risk factors for emphysema?
      • What are symptoms of emphysema?
      • How is emphysema diagnosed?
      • Physical examination
      • Exams and tests
      • What are the stages of emphysema?
      • What is the treatment for emphysema?
      • Smoking cessation
      • Medications for emphysema
      • Pulmonary rehabilitation for emphysema
      • Surgery
      • What is the prognosis and life-expectancy of a person with emphysema?
    • Restless Leg Syndrome Restless leg syndrome (RLS or restless legs syndrome) is a common cause for painful legs that typically eases with motion, and...learn more »
      In This Article
      Restless Leg Syndrome Article
      • Restless leg syndrome facts
      • What is restless leg syndrome (RLS)?
      • What causes restless leg syndrome?
      • What are the symptoms of restless leg syndrome?
      • How is restless leg syndrome diagnosed?
      • Can other conditions mimic restless leg syndrome?
      • What is the treatment for restless leg syndrome?
      • What medications are used to treat restless leg syndrome?
      • Are there any remedies or complimentary/alternative treatments for restless leg 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?
    • Chronic Obstructive Pulmonary Disease COPD (chronic obstructive pulmonary disease) is a disorder that persistently obstructs bronchial airflow. COPD mainly involves...learn more »
      In This Article
      Chronic Obstructive Pulmonary Disease Article
      • Chronic obstructive pulmonary disease facts
      • What is COPD?
      • How does the normal lung work?
      • What is chronic bronchitis?
      • What is emphysema?
      • What is chronic asthma?
      • What is bronchiectasis?
      • What causes COPD?
      • What are the symptoms of COPD?
      • How is COPD diagnosed?
      • What treatment is available for COPD?
      • Quitting cigarette smoking
      • COPD Medications
      • Bronchodilators
      • Beta-agonists
      • Anti-cholinergic agents
      • Methylxanthines
      • Corticosteroids
      • Breo Ellipta
      • Treatment of Alpha-1 antitrypsin deficiency
      • What is the role of oxygen as therapy in COPD?
      • What else is available for treating COPD?
      • Future directions in COPD

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