health: Quick Facts

Written and fact-checked by

The Information Architects of Encyclopaedia Britannica

Last updated

Oct. 30, 2026

News •

Men with lower testosterone at 31 reported good health 15 years later • Oct. 27, 2026, 6:46 PM ET (News-Medical)

Videos

How to boost energy without caffeine

Discovering the secrets to a long life in Okinawa, Japan

How inactivity affects the human body

See All Videos →

Topics

public health nutrition disease physical culture 20 Under 40: Young Shapers of the Future (Health and Medicine)mental health 17 Questions About Health and Wellness Answered fatigue infant and toddler health diet Metabolism human disease nutritional disease death human genetic disease coloration Sex sleep photosynthesis Biological development

Dig Deeper: More Articles That Discuss This Topic

Key People

Eliza Maria Mosher.

Eliza Maria Mosher

American physician and educator

Cummings, Robert

Robert Cummings

American actor

Hand washing. Healthcare worker washing hands in hospital sink under running water. contagious diseases wash hands, handwashing hygiene, virus, human health

Human Health