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.

A recent analysis of temperature trends suggests that the average human body temperature has dropped since the 19th century due to physiological changes. The authors of the new study also highlight ...

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 ...

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.