The Alzheimer's Association is a national organization that provides educational materials, support groups, and community services for people dealing with Alzheimer's disease. It has more than 200 local chapters throughout the United States. The organization publishes a newsletter as well as a wide range of brochures and videos. The Web site includes a lot of useful information for people with Alzheimer's and other dementias, as well as for their caregivers.

The Dementia Advocacy and Support Network offers support and educational information for people with dementia and their families and caregivers. The Web site features information on how the brain works and on the various diseases that cause dementia, including Alzheimer's disease, frontotemporal dementia, dementia with Lewy bodies, and multi-infarct dementia. The site also includes links to other sites for more information.

The National Institute on Aging (NIA), one of the centers of the U.S. National Institutes of Health, leads a broad scientific effort to understand the nature of aging and to extend the healthy, active years of life. The NIA funds research and provides information about health and research advances to the public and interested groups.