Drug information, searchable by name or category. Provided by the National Library of Medicine, National Institutes of Health.

For the consumer and professional alike, the site offers information on diseases, symptoms, drugs, supplements, and tests.

An A-Z list of personal and public health issues affecting the US and the world.

"Fallacies are common errors in reasoning that will undermine the logic of your argument... Avoid these common fallacies in your own arguments and watch for them in the arguments of others."

The health services research arm of the U.S. Department of Health and Human Services (HHS), complementing the biomedical research mission of its sister agency, the National Institutes of Health.

Statistics, articles, and reports about diseases, injuries, and public health from one of the arms of the U. S. Department of Health and Human Services.

Resources on a wide range of health topics selected from over 1,600 government and non-profit organizations. In English and Spanish.

Information on mental disorders, treatments, clinical trials, statistics, and more, from the agency whose mission is transforming the understanding and treatment of mental illness through research.