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Chemistry LibreTexts

Alzheimer's Disease

  • Page ID
    187620
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    Alzheimer's disease is a disease that develops slowly and has no cure. Most often, it is diagnosed in people over 65 years of age, although the less-prevalent early-onset Alzheimer's can occur much earlier. Although Alzheimer's disease develops differently for every individual, there are many common symptoms. Early symptoms are often mistakenly thought to be 'age-related' concerns, or manifestations of stress. In the early stages, the most common symptom is difficulty in remembering recent events.  As the disease advances, symptoms can include confusion, irritability and aggression, mood swings, trouble with language, and long-term memory loss. Gradually, bodily functions are lost, ultimately leading to death. On average, the life expectancy following diagnosis is approximately seven years.  Fewer than three percent of individuals live more than fourteen years after diagnosis