The Alzheimer's Association
The Alzheimer's Association is the oldest and largest national voluntary health organization dedicated to research for the causes, cure, and prevention of Alzheimer's disease and to providing education and support services to Alzheimer's patients, their families and caregivers.
[link]
Alzheimer's Disease Education
and Referral (ADEAR)
At the Alzheimer's Disease Education and Referral (ADEAR) Center's Web site, you'll find information about Alzheimer's disease and related dementias. The ADEAR Center is a service of the National Institute on Aging (NIA). The NIA is one of the National Institutes of Health,

under the U.S. Department of Health and Human Services.
[link]