The cancer drug leucovorin has been in high demand since the Trump administration endorsed it as a treatment for some autistic kids. Some experts say the drug's popularity has outpaced the science.

New research is underway to test whether a combination of high-intensity interval training and generic medicines can slow down aging and fend off age-related diseases. Here's how it might work.

A doctor from Nigeria tells what Martin Luther King Jr. taught him about health, Justice and inequality.

ACA enrollment is down for the first time in 5 years, and people are facing enormous premium hikes. Hopes for Congress to restore funding are fading.

A trial was about to launch for a vaccine that would ward off the HIV virus. It would be an incredible breakthrough. Then it looked as if it would be over before it started.

The Administration for a Healthy America is RFK Jr.'s plan to tackle chronic disease, addiction and other persistent problems. But so far it's not being set up like previous new agencies.

More than 550 people have contracted measles in Spartanburg County, S.C., in a fast-growing outbreak. Like a majority of U.S. counties, nonmedical exemptions to school vaccination are also rising.

Many jails and prisons around the country don't provide medication treatment for opioid use disorder. Studies show that medication makes recovery more likely and reduces the risk of overdose death.

More Americans are turning to ketamine for relief from depression, anxiety, even chronic pain.

All 16 drug companies that inked deals with the Trump administration over the past few months still raised some of their prices for 2026.