Preliminary study finds that testosterone levels increase or stabilize in people taking GLP-1 medications

Employees in hormone flux want accommodations—and some states are granting them.

A new wave of research links GLP-1 drugs to reduced cancer spread and better survival, and the mechanism may go beyond just weight loss

What you should know about hantavirus, why PCOS is getting a new name, and how some fish hide in an unusual spot

Some clinicians are pushing to broaden testosterone use, but there is debate about its benefits and risks

David Attenborough once directed programming at the BBC and has hosted numerous award-winning nature documentaries, but he’s always stayed down-to-earth, colleagues say

Breast cancer incidence is likely to continue to rise, experts project. They also highlight that almost one third of cases are currently linked to modifiable risk factors, according to global data.

The U.S. Food and Drug Administration will not review Moderna's approval application for its influenza vaccine, the company said on Tuesday, sending its shares down 8% in extended trading.

More than 25 years ago, Pellegrino and Relman noted the increasing commercialization of the learned professions, anticipating what many physicians are increasingly experiencing today: an impairment of...

Research from Canada shows that people vaccinated against shingles have a lower dementia risk. There may be a catch, however.

South Carolina reported 847 measles cases on Friday, state health data showed, including 58 additional infections since Tuesday, as officials warned the widening outbreak could last weeks or months am...

As little as 5 extra minutes of moderate-to-vigorous physical activity each day could help prevent 6% of deaths among those who are the least active, a large new study has found.

There's a lot of evidence that more exercise helps reduce cancer risk – but why are the two connected? According to a new mouse study, it may be down to a metabolic shift that appears to give muscle c...

Experts unpack the common myth of menstruating people’s cycles synchronizing when they’re in close proximity for long enough

In people at risk for Alzheimer’s disease, researchers linked minimal to moderate physical activity to a 3-to 7-year delay in cognitive symptoms.

A new analysis of a vaccination program in Wales found that the shingles vaccine appeared to lower new dementia diagnoses by 20% — more than any other known intervention.

You no longer need a doctor to administer FluMist, the nasal flu vaccine.

Even if any of this material made its way into the ocean, it will safely dissolve.

Women can use a wand to collect a vaginal sample, then mail it to a lab that will screen for cervical cancer. The device will be available by prescription through a telehealth service.

In February, the program received an average of 2,100 contacts per day.

The writer, surgeon, and former U.S.A.I.D. senior official Atul Gawande on the Trump Administration’s decimation of foreign aid and the consequences around the world.

In a small trial, nearly half of pancreatic cancer patients who received an mRNA vaccine for the disease had no relapse three years later.

Data shows it can prevent six types of cancer. But anti-vaccine activists, including U.S. Health Secretary Robert F. Kennedy Jr., have helped dampen its usage.

Black history happens every day, and the stories from NPR listeners are good examples of that. From becoming the first Black mayor of a town to singing music about change, these stories matter.

Using an arcane law, officials have effectively delayed funding from the National Institutes of Health, leaving medical studies in jeopardy.

The pages that are set to be revived include information for patients about HIV testing and HIV prevention medication, guidance on contraceptives and data on adolescent and youth mental health.

As childhood vaccination rates drop in the U.S., outbreaks of measles are rising. In his new book, Booster Shots, Dr. Adam Ratner makes the case that this is a bad sign for public health.

In 1984, Dr. Daniel Drucker, an endocrinologist from the University of Toronto, discovered a hormone that helped pave the way for popular diabetes drugs such as Ozempic.