With climate change causing temperatures to rise across the globe, extreme heat is becoming more common — and thus a bigger health threat. The human body is resilient, but it can only handle so much.

When you’re feeling sick and wondering whether to go to work or school, the thermometer often has the final verdict. Most people have been taught a body temperature of 98.6 Fahrenheit is normal, while ...

That thermometer reading you barely glance at during a doctor’s visit? It might be hiding critical information about your health that goes far beyond checking for a fever. While we’ve long treated ...

A new study from researchers at the Johns Hopkins Bloomberg School of Public Health finds that common fungal species may be ...

As much as people enjoy the warm summer months, high temperatures can be hard on the human body. “As mammals, we live close to the thermal edge of life and death,” says Craig Heller, a physiologist ...

Scientists use "wet-bulb temperature" to gauge how extreme heat affects the body. But what is it? When you purchase through links on our site, we may earn an affiliate commission. Here’s how it works.