Genetics Home Reference
The National Library of Medicine’s consumer information site on genetic conditions and their genes or chromosomes.
MedlinePlus
The National Library of Medicine and National Institute of Health site with information on 650 diseases and conditions, lists of hospitals and physicians, a medical encyclopedia and dictionary, extensive information on prescription and nonprescription drugs, media information, and links to thousands of clinical trials.
Patient Information from UpToDate
UpToDate provides hundreds of patient information topics, allowing patients and healthcare providers to share in the decision making process.
PDRHealth
From Thomson PDR, this consumer site provides drug, disease, clinical trials, and wellness information for consumers
Public Library of Science (PLoS)
A non-profit open access scientific publishing venture that provides high-quality, high-profile journal articles.
Science.gov - Health & Medicine
A gateway to authoritative selected science information provided by US Government agencies, including research and development results.
As part of a broader NLM reorganization, most of NLM's toxicology information services have been integrated into other NLM products and services. See database link for options.