The New York Times

Two regulatory rollbacks, along with a new A.I. experiment in Medicare, raise some worrisome questions.

The review looked at more than three dozen studies and found no evidence that acetaminophen increased the risk of neurodevelopmental disorders in children.

Federal officials working on the new dietary guidelines had considered limiting men to one drink daily. The final advice was only that everyone should drink less.

Infant heart transplants are extraordinarily rare. A Times health journalist donned scrubs and witnessed how the surgery unfolded.

Our Ask the Therapist columnist, Lori Gottlieb, advises a reader who wants to help a struggling pal but is growing frustrated.

Notices went out late Tuesday to more than 2,000 programs nationwide that will be affected by budget slashing at the Substance Abuse and Mental Health Services Administration.

Health Secretary Robert F. Kennedy Jr. placed about 90 percent of the roughly 1,000 employees of the National Institute for Occupational Safety and Health on administrative leave last April.

The groups, including the American Academy of Pediatrics, say the C.D.C.’s revised vaccine schedule is not based on scientific evidence and will harm the public.

Psilocybin-assisted therapy is legal in three states, but access has so far been limited and expensive.

He Jiankui spent three years in prison after creating gene-edited babies. Now back at work, he sees a greater opening for researchers who push boundaries.