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 U.S. National Heart, Lung, and Blood Institute (NHLBI) information center offers information and publications about preventing and treating:

• Diseases affecting the heart and circulation, such as heart attacks, high cholesterol, high blood pressure, peripheral artery disease, and heart problems present at birth (congenital heart diseases).
• Diseases that affect the lungs, such as asthma, chronic obstructive pulmonary disease (COPD), emphysema, sleep apnea, and pneumonia.
• Diseases that affect the blood, such as anemia, hemochromatosis, hemophilia, thalassemia, and von Willebrand disease.

The National Sleep Foundation, an independent nonprofit organization, can provide you with brochures on sleep disorders and a list of accredited sleep disorder clinics.

The Restless Legs Syndrome Foundation is a nonprofit organization dedicated to improving the lives of people with restless legs syndrome (RLS). General medical information and research updates are available online and through newsletters and special publications. The Web site has numerous links to support groups and resources for more information about the condition.

WE MOVE is an Internet resource for movement disorder information. The organization is dedicated to educating people about the latest treatment options for neurologic movement disorders. WE MOVE also has information on support groups and hosts discussions and chat rooms on the Web site.