As America grows fatter, scientists continue to debate the causes of the obesity crisis, while the founder of Children’s Hospital’s weight clinic says the predominant “cut calories” approach may have the problem backward.

Katherine Koh, a street psychiatrist at Mass. General Hospital, explains the complicating factors behind New York City’s proposal to involuntarily treat mentally ill homeless people.

Humans lose them after embryonic development, unlike some animals. New Harvard research offers potential insights into why.

Researchers have linked the molecular signatures underlying brain aging with the cognitive decline observed in patients with severe COVID-19.

You believe in climate change but drive a gas-guzzler, don’t recycle. Why? Neuroscientist explores in new book.

A study overturns the long-held belief that ancient species grew at slow, steady pace, and offers insights into human maturation.

During a virtual Harvard Science Book Talk, Raghuveer Parthasarathy examines the mysteries covered in his new book, “So Simple a Beginning: How Four Physical Principles Shape Our Living World.”

A new study shows that the Dietary Approaches to Stop Hypertension (DASH) diet reduces the risk of cardiovascular disease, especially for women and Black adults.

Barrett Rollins, wife Jane Weeks were Dana-Farber stars who kept her cancer secret nearly to end.

The health impacts of climate change are gaining greater recognition, but the most important thing, one expert said, is to keep telling people’s stories.