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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 …

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

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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Feb 2, 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. …

What is atrial fibrillation and how is it treated? Atrial fibrillation, or A-fib, is becoming more common, but doctors say treatments are improving. The condition is a quivering or irregular heartbeat that can …

Explore topics in nutrition and fitness that impact overall health, well-being, and energy. Stay updated with the latest health and medical news. Learn about the best products to support your...

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 …

Meet Daily Dose. 5-minute, expert-backed lessons packed with real world tips to help prioritize your health every day. A fitness instructor explains how to make winter the easiest season to...