Researchers are facing barriers to track the spread of the disease because of restrictions on grants that would allow them to track the spread in Mexico.

Over 1 million people a year die from diarrheal disease. Nearly half are kids under age 5. A new vaccine in trials offers great hope.

For years, doctors advised against hormone therapy for women in the menopausal transition. Now everyone's talking about how great it is. Is it really a wonder drug that women should all be on?

Researchers warn betting on clinical trials could incentivize insider trading and interfere with drug development. But Kalshi and Polymarket say they provide valuable information to patients.

Supplements are a $70 billion industry that's growing fast. But there's little evidence that many supplements actually do what they promise.

The first mRNA-based flu shot to be approved by the Food and Drug Administration will be ready for the upcoming flu season. Moderna, the vaccine's maker

The flu shot uses the same technology as the COVID-19 vaccines.

Many people may be hearing about postpartum psychosis for the first time in relation to Lindsay Clancy, the Massachusetts woman on trial for the deaths of her three children.

Dr. Gail Saltz explains what the Food and Drug Administration’s plans to provide an ultra-fast review of three psychedelic drugs mean, as well as the costs and benefits of these drugs.

The United Nations has set a goal for near universal HIV diagnosis and treatment for all by 2030. No country in Asia has hit the mark — until this year.