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 …

At the Chicago Department of Public Health (CDPH), we fight to eliminate health inequities, work to improve systems, and leverage our diverse staff, community and partners to remove …

Learn how to test your home and take steps to reduce radon exposure. Whether it's seasonal respiratory illness or other preventable diseases, make sure you stay up to date on the latest …

Dec 31, 2025 · Discover the exceptional healthcare services offered by Cook County Health, where we prioritize your well-being and community health. From advanced cardiac care to …

Jan 16, 2026 · Behavioral health includes mental illness and substance misuse. Both of these conditions are very common in adults and teens. A chronic disease is any serious condition …

Providing credible health information, supportive community, and educational services by blending award-winning expertise in content, community services, expert commentary, and medical …

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.

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 …

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

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 …