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The leading source for trustworthy and timely health and medical news and information. Providing credible health information, supportive community, an...

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

Learn how to improve your lung health. Make efforts towards clean air and smokefree living. Find facts about lung diseases, such as lung cancer, COPD,...

Trusted medical information to encourage healthy living. Enjoy free health tools and view detailed doctor-reviewed information about diseases, medical...

The eMedicine point-of-care clinical reference features up-to-date, searchable, peer-reviewed medical articles organized in specialty-focused textbook...

Emphysema and Chronic Obstructive Pulmonary Disease (COPD) are related lung conditions that are caused by many years of cigarette smoking ("smoke...

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Discovery Health explores the human body in all its scientific and cultural aspects. Learn about diseases, wellness, medical technology and more on Di

CDC Centers for Disease Control and Prevention - Your Online Source for Credible Health Information

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

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