Department of Health & Human Services https://www.hhs.gov/
National Institute of Health https://www.nih.gov/
List of Institutes at NIH https://www.nih.gov/institutes-nih/list-institutes-centers
National Institute on Aging https://www.nia.nih.gov/, Videos https://www.youtube.com/playlist?list=PLmk21KJuZUM7QTtz_jxNFdXRKi2JJEiIV
https://www.youtube.com/user/NatlInstituteOnAging
National Library of Medicine https://www.nlm.nih.gov/
National Institute of Arthritis and Musculoskeletal and Skin Diseases https://www.niams.nih.gov/
National Eye Institute https://www.nei.nih.gov/
Medline Plus https://medlineplus.gov/
Substance Abuse & Mental Health Services Administration https://www.samhsa.gov/
Health Resources & Services Administration https://www.hrsa.gov/
U.S. Food & Drug Administration https://www.fda.gov/
Centers for Medicare & Medicaid Services https://www.cms.gov/
Centers for Disease Control & Prevention https://www.cdc.gov/
Agency for Healthcare Research & Quality https://www.ahrq.gov/
Administration for Community Living https://acl.gov/
Administration for Children & Families https://www.acf.hhs.gov/
Office of the Surgeon General HHS https://www.hhs.gov/surgeongeneral/index.html
Indian Health Services https://www.ihs.gov/
USDA – Nutrition https://www.nutrition.gov/