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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Learn how exercise affects metabolism and which workouts have the greatest impact. Doctors no longer recommend daily aspirin for most people, yet many still take it despite limited benefit and...

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

Scientists are testing an entirely new way to fight heart disease: whether gene editing might offer a one-time fix for high cholesterol. What is atrial fibrillation and how is it treated? Do you need to control …

In general, it refers to physical and emotional well-being, especially that associated with normal functioning of the human body, absent of disease, pain (including mental pain), or injury.

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Healthline: Medical information and health advice you can trust. Bite-size lessons that inspire real change. Health should be this easy. Meet Daily Dose. 5-minute, expert-backed lessons packed...

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. …