The NIH Health Information Index provides a direct link to different institutes providing information, research and/or clinical trials related to various medical conditions.

National Institutes of Health toll free information lines:

• AIDS/HIV Treatment, Prevention and Research - 800-HIV-0440 Voice
• Aging - 800-222-2225 Voice, 800-222-4225 TTY
• Alcohol Abuse and Alcoholism - 301-443-3860 Voice

Allergy and Infectious Diseases - 866-284-4107

• Alzheimer's Disease - 800-438-4380 Voice, 800-222-4225 TTY
• Arthritis and Musculoskeletal and Skin Diseases - 877-226-4267 Voice, 301-565-2966 TTY
• Back to Sleep: Sudden Infant Death Syndrome (SIDS) - 800-505-2742 Voice
• Basic Research on Cells, Proteins, and Genes - 301-496-7301 Voice
• Cancer 800-422-6237 Voice
• Child Health and Human Development 800-370-2943
• Complementary and Alternative Medicine (English and Spanish) - 888-644-6226, 866-464-3615 Voice/TTY
• Deafness and Other Communication Disorders - 800-241-1044 Voice, 800-241-1055 TTD/TTY
• Drug Abuse and Addiction - 877-643-2644 Voice, 240-645-0228 TDD
• Genetic and Rare Diseases - 888-205-2311 Voice
• Eye Diseases - 301-496-5248 Voice
• Extramural Research Grants - 301-435-0714 Voice
• Global Health - 301-496-2075 Voice
• Heart, Lung, and Blood - 301-592-8573 Voice, 240-629-3255 TTY
• Human Genome Research - 301-402-0911 Voice
• National Library of Medicine - 888-346-3656 Voice
• Mental Health and Mental Illness - 301-443-4513 Voice, 301-443-8431 TTY
• Neurological Disorders 800-352-9424 Voice
• Nursing Research - 301-496-0207 Voice
• Oral Health - 301-402-7364 Voice
• Osteoporosis and Related Bone Diseases - 800-624-2663 Voice, 202-223-0344 Voice, 202-466-4315 TTY
• Clinical Center Patient Recruitment - 800-411-1222 Voice, 866-411-1010 TTY
• Patient Recruitment and Public Liaison Office - 800-411-1222 Voice, 866-411-1010 TTY
• Schizophrenia Research - 888-674-6464 Voice
• Smoking Cessation, NCI's Smoking Quitline - 877-448-7848 Voice
• Stroke - 800-352-9424 Voice
• WE CAN (Ways to Enhance Children's Activity and Nutrition) - 866-35-WE-CAN Voice
• Women's Health - 301-402-1770 Voice
• Office of Research on Women's Health - 301-402-1770 Voice
• National Women's Health Information - 800-994-9662 Voice, 888-220-5446 TTD