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 …

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 …

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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 …