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 …

DPH promotes and protects health and wellness and prevents injury and illness for all people. We prioritize racial equity in health by improving equitable access to quality public health and …

Dec 12, 2025 · Explore public health data, reports, and dashboards. This information is analyzed by the Center for Public Health Science and Innovation. Every other year since 1999, Boston …

Dec 18, 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 …

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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Find diseases and conditions; healthy living; workplace safety; environmental health; injury, violence and safety, global health and more.

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 …

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