The New York Times

While some people slow down as they get older, or just try to maintain, these athletes went looking for a challenge in Brazilian jiu-jitsu.

President Trump has been promoting his efforts to reduce drug prices, but many Americans have not seen relief from rising costs for prescriptions and insurance premiums.

As major health systems open their own programs, longevity medicine is gaining credibility and becoming more accessible.

As more Americans live longer and as the population ages, measuring the effect of retirement on physical, cognitive and mental abilities is a complex undertaking.

Our reporters share a compendium of debuts, discoveries and (sometimes overdue) appearances in the paper.

A Russian researcher, who died from an unknown illness, worked at a remote anti-plague facility. Few foreigners have visited these labs, which dot the former Soviet states, and are shrouded in secrecy.

We asked people who aspire to live long lives about how they hoped to do it and who might have inspired them along the way.

Lung cancer is still a leading cause of cancer death, but that rate is half what it was in the 1990s, partly because newly developed treatments are working.

SpudCells may one day produce new medicines and materials. But first scientists have to improve them — and make sure they aren’t misused.

Previous agreements with the tobacco and opioid industries show the difficulty of putting the money in the right hands.

In an interview, Dr. Peter Piot recalled when he first saw the spindly virus under a microscope and reflected on a five-decade career spent fighting two deadly pathogens.

Potent powders can produce a nearly catatonic state, particularly in those who have not tried the drug before.