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 …

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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Discover what new research says about exercise and mental health. What are you grateful for today? Learn why this mindset can be good for your health, and how to grow this as a habit. Learn the...

Jan 4, 2026 · 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 possible. …

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

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Find information on health conditions, wellness issues, and more in easy-to-read language on MedlinePlus, the up-to-date, trusted health information site from the NIH and the National Library of …

May 15, 2025 · In 1946, the World Health Organization (WHO) defined health with a phrase that modern authorities still apply: “Health is a state of complete physical, mental, and social well-being and not...

Autoimmune diseases can strike any part of the body, and mostly affect women. Here’s what to know. Premature babies could have a better chance of survival - and be healthier long-term - thanks to …