AIDS / HIV |
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Aids stands for acquired immune deficiency syndrome. People with HIV (human immunodeficiency virus) can look and feel well. The symptoms of AIDS seem to have changed over the years. That's because illnesses and conditions have been gradually added to the group of maladies that are now called AIDS. In the beginning, only 12 conditions were called "AIDS." Now there are 28 illnesses and conditions in this group.
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DEMENTIA |
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Dementia (from Latin de- "apart, away," + mens (genitive mentis) "mind") is progressive decline in cognitive function due to damage or disease in the brain beyond what might be expected from normal aging. Particularly affected areas may be memory, attention, language and problem solving, although particularly in the later stages of the condition, affected persons may be disoriented in time (not knowing what day, week, month or year it is), place (not knowing where they are) and person (not knowing who they are). Symptoms of dementia can be classified as either reversible or irreversible depending upon the etiology of the disease. Less than 10% of all dementias are reversible. Dementia is a non-specific term that encompasses many disease processes, just as fever is attributable to many etiologies.
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