NIH's open site for patients and consumers; offers extensive information on over 975 diseases and conditions; directories, a medical encyclopedia and a medical dictionary, health information in Spanish, extensive information on prescription and nonprescription drugs, health information from the media, and links to thousands of clinical trials.
First published in 1899 as a small reference book for physicians and pharmacists, the manual has been continually expanded the reach and depth of its offerings to reflect the mission of providing the best medical information of the day to a wide cross-section of users, including medical professionals and students, veterinarians and veterinary students, and consumers; it provides evidence-based clinical information freely as a public services to practitioners and consumers.