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 also provides the public with educational materials and information about these disorders.

Call the American Heart Association (AHA) to find your nearest local or state AHA group. The AHA can provide brochures and information on support groups and community programs, including Mended Hearts, a nationwide organization whose members visit heart patients and provide information and support. AHA's Web site also has health information on various heart-related conditions.

The U.S. National Heart, Lung, and Blood Institute (NHLBI) information center offers information and publications about preventing and treating heart, lung, and blood diseases.

This association provides education, information, referrals, and research on stroke.