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Genetics and family history

Assessing Risk for Alzheimer's Disease

What are risk factors for Alzheimer’s disease? Learn about genetic and other risks for early- and late-onset Alzheimer's and steps you can take to stay healthy.
African-american family

What Causes Alzheimer's Disease?

How does Alzheimer's disease affect the brain? Read how genetics, environment, and lifestyle play a role in developing early- or late-onset Alzheimer’s.
DNA strand

Alzheimer's Disease Genetics Fact Sheet

Read about the genetics of Alzheimer's disease. A genetic mutation can cause early-onset Alzheimer's. In late-onset Alzheimer's, a variant of the APOE gene increases risk.
diagram of gene showing cell, chromosome, and DNA

An official website of the National Institutes of Health