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The mission of the Harvard School of Public Health is to advance public health through learning, discovery, and communication. (Massachusetts)

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

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

Linus Pauling Institute at Oregon State University

Find nutrition facts, including food labels, calories, nutritional information and analysis that helps promote healthy eating by telling you about the foods you eat.

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

Groundbreaking developments in science, space, technology, health, and the environment

Guide to eye care, LASIK laser eye surgery, eyeglasses, contact lenses, low vision, eye exams, computer vision syndrome, glaucoma, cataracts, macular degeneration, and other eye problems and diseases.

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