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Causes of Alzheimer's Disease

Scientists believe that a combination of genetic, lifestyle, and environmental factors influence when Alzheimer’s disease begins and how it progresses. 

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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

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

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

Alzheimer's Disease in People With Down Syndrome

Many, but not all, people with Down syndrome develop Alzheimer's disease when they get older. Learn about the connection between the two and how to participate in research studies exploring this relationship.
Middle aged adult with Down syndrome

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