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 …

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Nov 13, 2025 · health, in humans, the extent of an individual’s continuing physical, emotional, mental, and social ability to cope with his or her environment. This definition is just one of many that are …

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

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Dec 2, 2004 · Everyday Health inspires and empowers people to live their healthiest lives, every day, through trusted, medically reviewed information and expert health advice from the nation's leading ...

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