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Definition of word from the Merriam-Webster Online Dictionary with audio pronunciations, thesaurus, Word of the Day, and word games.

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...

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, asthma.

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

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

Find breaking news, multimedia, reviews & opinion on Washington, business, sports, movies, travel, books, jobs, education, real estate, cars & more.

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

Smokefree.gov can help you or someone you care about quit smoking. The information and professional assistance available on this Web site can help to support your needs as you quit smoking. Created by the Tobacco Control Research Branch of the Nation...

The leading source for trustworthy and timely health and medical news and information. Providing credible health information, supportive community, and educational services by blending award-winning expertise in content, community services, expert co...

Facebook is a social utility that connects people with friends and others who work, study and live around them. People use Facebook to keep up with friends, upload an unlimited number of photos, post links and videos, and learn more about the people ...