According to the article, what percent of individuals 65 and older suffer from dementia? what is the most common form of dementia?

The percent of people with more then 65 that suffering dementia is around 5% and 8%.

The most common dementia is Alzheimer.

Alzheimer is a progressive neurodegenerative disease that manifests itself with short-term cognitive and memory impairment and a variety of neuropsychiatric symptoms and behavioral changes that worsen over time.

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