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What are the odds of a person getting Alzheimer's?

According to the Alzheimer's Association, about 1 in 9 people (11%) aged 65 and older have Alzheimer's disease. This statistic helps to answer, 'What are the odds of a person getting Alzheimer's?' by highlighting that age is the single greatest risk factor, with prevalence rates rising sharply after 65. However, a person's individual risk is shaped by a complex interplay of genetic, health, and lifestyle factors, not age alone.