Dementia: More causes than just Alzheimer's disease

Published: December, 2014

Sometimes dementia has multiple causes. Understanding the diagnosis helps with planning for medical care.

Alzheimer's disease is the most common cause of dementia in older adults—present in up to 80% of cases. As Alzheimer's progresses, abnormal proteins start to collect in the brain and affect memory, reasoning, planning, and other brain functions.

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