A federal report on Monday is expected to point to the active ingredient in painkillers like Tylenol. But research into a possible connection has yielded mixed results.

Gene therapies for rare diseases are frequently developed then discarded by drug companies because they can’t afford to produce the treatment for more patients.

She was instrumental in helping promote wider use of needle exchanges, naloxone and tests to assist drug users in identifying dangerous ingredients.

The Trump administration has restored promised funds to a program that teaches people in health care how to work with aging Americans.

The fallout of the war in Sudan has led to one of the world’s worst humanitarian crises, but aid to its victims is vanishing. Pregnant women’s lives are in the balance.

Marijuana during pregnancy is linked to poor birth outcomes and developmental delays in children, a leading medical society advised.

Merck says an injected version of its blockbuster infusion Keytruda is quicker and easier. But it stands to slow the adoption of cheaper competitors, increasing costs by billions of dollars.

Committee members delayed indefinitely a vote on a hepatitis B vaccine for newborns because they did not feel ready to make a decision.

Captive animals sometimes need a transfusion, but the typical approach to blood banking isn’t practical for zoos and aquariums. One veterinarian is testing a solution.

Secretary of State Marco Rubio said the United States would negotiate agreements to deliver aid in new ways and would focus on the Western Hemisphere and Asia Pacific.

It might sound counterintuitive, but your relationships can benefit from rules and limitations.

Robert F. Kennedy Jr. is set to announce that the U.S. is firing a Miami-based organ donation coordinator, effectively closing it down — a warning to other transplant groups.

Northeastern governors, like their peers in the West, want to shore up public health and issue approval for vaccines.