Alzheimer's disease, the most common cause of dementia in older adults, affects more than 5 million Americans. Thousands more live with related disorders, including frontotemporal, vascular, Lewy body, and other types of dementia. NIA is the lead federal agency for Alzheimer's disease research. Click the boxes below to learn more.

In the News

July 28, 2017

Alzheimer’s Disease Professional Judgment Budget for FY19 now online

June 22, 2017

National Academies committee sees promising but inconclusive evidence on interventions to prevent cognitive decline, dementia

February 13, 2017

2017 Alzheimer's and Dementia Webinars for Professionals

February 06, 2017

Putting exercise to the test in people at risk for Alzheimer’s

Articles

Alzheimer's Disease Fact Sheet

Get the facts about Alzheimer's disease, the most common cause of dementia in older adults. Learn about symptoms, diagnosis, treatment, and caregiving.

About the ADEAR Center

Find out how the Alzheimer's and related Dementias Education and Referral (ADEAR) Center can help you with answers and resources.

Alzheimer's Disease & Related Dementias