Health

The scientific Nobels announced this week — in Physiology or Medicine, Physics and Chemistry — honored achievements rooted in fundamental research from decades ago.

The transplanted portion of the genetically modified pig liver was removed after 38 days, and the patient, who had advanced liver cancer and cirrhosis, died several months later.

For a new series, Times journalists are speaking with scientists whose research has ended as a result of policy changes by the Trump administration.

The practice, in which users inject the blood of already intoxicated individuals, has fueled one of the fastest-growing H.I.V. epidemics in the Pacific and grown widespread in South Africa.

College students are meeting with “embedded” counselors in dorms and academic buildings, with promising results.

Children under 12 need different versions of Covid vaccines, but many pharmacies and pediatricians’ offices aren’t stocking them.

Acetaminophen’s link to autism is unproven. But hundreds of Americans accidentally overdose on the drug each year, suffering liver damage that can require a transplant or even be fatal.

The practice surged in the 1980s and 1990s, before medical groups began warning it was harmful.

Wildfire smoke, lead paint and other environmental toxins are health hazards for animals, too.

Fred Ramsdell found out about his Nobel Prize nearly 12 hours after it was announced because he was on vacation in the Rockies.