Oxygen is vital to many medical procedures. But a safe, affordable supply is severely lacking around the world, according to a new report.

This medicine may be one of the best tools doctors have to fight the fentanyl crisis.

A drug called buprenorphine may be the best tool doctors have to fight the fentanyl crisis. Why hasn’t it been more widely adopted?

In the Netherlands, doctors and dementia patients must negotiate a fine line: Assisted death for those without capacity is legal, but doctors won’t do it.

Heart disease is more common in people over 65, but treatments are better than ever. That can complicate decision-making for older heart patients.

This month, Vishvaa Rajakumar won the Memory League World Championship, which tests memorization skills. He shared some of his techniques with The Times.

By watching the brain process information, she discovered that a specific region plays a key role in spatial navigation — and that it can be strengthened like a muscle.

An estimated 15 colleges still required Covid vaccines for students as of late last year. No states require K-12 students to get the shots.

After weeks of disruption to scientific federal grants, the National Institutes of Health has fallen behind in funding research into treatments for deadly diseases.

“Vaccines should be treated with nuance, recognizing differences between seasonal vaccines and childhood immunizations,” Dr. Ralph L. Abraham, the state’s surgeon general, wrote in a memo.

It is the first ruling in a case challenging “shield laws” intended to protect doctors in states that support abortion rights who send abortion pills to states with bans.

Mellencamp, also the daughter of the rock musician John Mellencamp, said on Instagram that she was receiving treatment after experiencing “severe and debilitating” headaches.