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Lung cancer is the leading cause of cancer deaths worldwide. Despite being so common, navigating the health care system from lung cancer diagnosis to lung cancer treatment can be a lonely and frightening time. In this About.com health guide we

Mayo Clinic offers award-winning medical and health information and tools for healthy living.

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...

Read doctor-produced health and medical information written for you to make informed decisions about your health concerns.

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

A study guide to human anatomy, human physiology, anatomy and physiology, and human body systems. Included are many anatomy and physiology quizzes, tutorials, animations, and diagrams.

wiseGEEK: clear answers for common questions

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Histology multimedia teaching materials by Moran and Rowley help students learn histology on 26 video DVD programs, free online Visual Histology text atlas, and histology lecture power point presentations.

The National Library of Medicine (NLM), on the campus of NIH in Bethesda, Maryland, is the world

Welcome to InnerBody.com, your online guide to the anatomy and physiology of the human body. Study diagrams, internal organs, body parts and systems.