Health has a variety of definitions, which have been used for different purposes over time. In general, it refers to physical and emotional well-being, especially that associated with normal functioning of the …

Jan 4, 2026 · Health, the extent of an individual’s continuing physical, emotional, mental, and social ability to cope with his or her environment.

Mar 21, 2025 · Find science-based health information on symptoms, diagnosis, treatments, research, clinical trials and more from NIH, the nation’s medical research agency.

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Doctors fear this week’s unprecedented changes to federal vaccine recommendations will stoke vaccine hesitancy even more, pose challenges for pediatricians and parents and ultimately lead to more …

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Find the best information about living a healthier life from the trusted medical team at Harvard Medical School. Trusted advice for a healthier life.

Get information about Medicaid, CHIP, Medicare, the ACA Health Insurance Marketplace, and COBRA. Find out how you can get help with medical expenses. Understand your eligibility for options like free …