The Health Channel explores both scientific and cultural aspects of the human body. Read health articles about medical technology, medical mysteries and staying healthy.

The eMedicine point-of-care clinical reference features up-to-date, searchable, peer-reviewed medical articles organized in specialty-focused textbooks, and is continuously updated with practice-changing evidence culled daily from the medical literature.

cardiologychannel is your source for heart and circulation information and connecting with others, including angina, heart attack, cholestorol, blood pressure, pacemaker, and more. Find a cardiologist, share your story, watch videos, and more.

The National Library of Medicine (NLM), on the campus of NIH in Bethesda, Maryland, is the world's largest medical library. It collects materials in all major areas of the health sciences and to a lesser degree in such areas as chemistry, physics, botany and zoology. The collections stand at 5 million items--books, journals, technical reports, manuscripts, microfilms, photographs and images. Housed within the Library is one of the world's finest medical history collections of old (pre-1914) and rare medical texts, manuscripts, and incunabula.