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Explore the updated online encyclopedia from Encyclopaedia Britannica with hundreds of thousands of articles, biographies, videos, images, and web sites.

Mayo Clinic — Comprehensive medical diagnosis and treatment; locations and services; request an appointment.

Prescription drug information and news for professionals and consumers. Search our drug database for comprehensive prescription and patient information on 24,000 drugs online

PubChem homepage

Medications, prescription drug information, pill identifier and pharmacy locator (24 hr pharmacies) for consumers and medical health professionals. The most popular drugs and their side effects, interactions, and use.

Dictionary.com - the largest and most trusted free online dictionary. Instantly look up accurate and extensive definitions and word meanings, and hear audio pronunciations.

Health resources and personalized health tools. Information and news on depression, digestive health, diabetes, breast cancer, cardiovascular health, and much more.

Bipolar disorder affects every aspect of life. People with bipolar disorder symptoms may be able to function fairly well in spite of mood swings between the highs of hypomania and the lows of depression, or they may suffer severe mania and crippling,...

Original Articles and Videos for Researching Schools, Degree Programs, Careers, and Online Courses - The Web's Largest Education Portal

Online Dictionary - Multiple dictionaries including: English dictionary, medical dictionary, legal dictionary, financial dictionary, computer dictionary, thesaurus, dictionary of acronyms and abbreviations, dictionary of idioms, thesaurus, Columbia e...