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 …

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

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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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Nov 21, 2025 · Connect with MedlinePlus for information you can trust about medications, medical conditions, treatments, testing, and more.

MedlinePlus health topics are regularly reviewed, and links are updated daily. Information on symptoms, causes, treatment and prevention for over 1000 diseases, illnesses, health …

New guidelines for healthy eating say Americans should eat more whole foods and protein, fewer highly processed foods and less added sugar. Flu is rising rapidly, driven by a new variant. …

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