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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

Genetic variations are one of several possible risk or protective factors for Alzheimer’s disease. Learn about genetic variations that are associated with Alzheimer’s, genetic testing, and research underway.
diagram of gene showing cell, chromosome, and DNA

An official website of the National Institutes of Health