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Tobacco smoking
Tobacco smoking is the act of smoking tobacco products, especially cigarettes and cigars. The practice of smoking tobacco originated among Native Americans in eastern North America, where tobacco is ... > more -
Hormone replacement therapy
Hormone replacement therapy (HRT) is a system of medical treatment for perimenopausal and postmenopausal women, based on the assumption that it may prevent discomfort and health problems caused by ... > more -
Multi-infarct dementia
Multi-infarct dementia, also known as vascular dementia, is a form of dementia resulting from brain damage caused by stroke or transient ischemic attacks (also known as ... > more -
Brain tumor
A brain tumor is any intracranial mass created by an abnormal and uncontrolled growth of cells either normally found in the brain itself: neurons, glial cells (astrocytes, oligodendrocytes, ependymal ... > more -
Rett syndrome
Rett syndrome (or Rett's disorder) is a progressive neurological disorder that is classified as a pervasive developmental disorder by the DSM-IV. The symptoms of this disorder are easily confused ... > more -
Chronic pain
Chronic pain was originally defined as pain that has lasted 6 months or longer. It is now defined as pain that persists longer than the normal course of time associated with a particular type of ... > more -
Salmonellosis
Salmonellosis is an infection with Salmonella bacteria. Most people infected with Salmonella develop diarrhea, fever, and abdominal cramps 6 to 72 hours after infection. In most cases, the illness ... > more -
Encephalitis
Encephalitis is an acute inflammation of the brain, commonly caused by a viral infection. Sometimes, encephalitis can result from a bacterial infection, such as bacterial meningitis, or it may be a ... > more
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