The heat feels unbearable—here’s how to stay safe
A heat wave over the Fourth of July weekend could put millions at risk of heat-related illnesses. Here’s what to do to stay safe—and why you don’t just need to drink lots of water
Botulism outbreaks linked to infant formula underscore the limits of testing
The toxin behind two outbreaks in seven months is hard to find—and just a handful of labs are equipped to look for it at all
Weight loss drugs don't work for everyone—here’s why
Some people who take GLP-1 drugs such as semaglutide and tirzepatide see little to no changes to their weight. The reason why may be genetics
Got a tick bite? Here’s what to do—and what not to do
Knowing what kind of tick bit you and where you got it can help inform next steps
Ebola cases surge, the World Cup heats up, and fatherhood changes the brain
What’s going on with the Ebola outbreak, how the World Cup is dealing with rising temperatures, and how becoming a father can change your brain
Can GLP-1s boost testosterone levels?
Preliminary study finds that testosterone levels increase or stabilize in people taking GLP-1 medications
In world first, a man living with HIV received a lung transplant from an HIV-positive donor
This operation opens the door to treating more people living with HIV who have end-stage organ disease
How viruses may reshape the body’s ‘soil’ to promote cancer growth
Everyday viral infections may be quietly reshaping the body’s network of molecules that support cells and tissues in ways that can raise cancer risk over time
1 in 3 psychologists say their patients use AI as a second therapist. Here’s what they want you to know
People are increasingly turning to AI for mental health support—but its design is “antithetical” to mental health care, experts say
Could this ancient burial site be the oldest lethal plague outbreak?
Graves of hunter-gatherers in Siberia point to a deadly disease outbreak dating to some 5,500 years ago, a new DNA analysis finds
Proposed White House regulations could kill 5,000 clinical trials, analysis finds
The Trump administration is mulling new rules that would give political appointees final say on research grants
Ozempic maker Novo Nordisk breach exposed patients’ clinical trial data
Novo Nordisk said this security incident affected patient data, including health information and birth year