The National Institute of Neurological Disorders and Stroke (NINDS), a part of the National Institutes of Health, is the leading U.S. federal government agency supporting research on brain and nervous system disorders. It provides the public with educational materials and information about these disorders.

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 AGS Foundation for Health and Aging was started by the American Geriatrics Society (AGS). The foundation works on behalf of older adults in the areas of wellness and preventive care, self-responsibility and independence, and connections to family and community.

This Web site has stories about healthy aging, information on caring for elders at home, and tips on winter safety, preparing for emergencies, and overcoming the challenges to healthy aging. The site also has links to many other Internet resources on aging.

This organization supports and assists people who are providing long-term care at home. It also provides education, research, services, and advocacy.

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.