All summer, NPR's science desk has been looking at sweat. Humans are covered head to toe with millions of sweat glands. But it wasn't always so. NPR's Pien Huang tells us how human bodies evolved so ...

In the first, you’re hiking uphill on a warm day, beads of sweat rolling down your forehead. In the second, you’ve just ...

We've all felt it: At first comes the trickle, and then the flood. It's embarrassed us, and even torpedoed a presidential campaign. But when was the last time you were grateful for … sweat? Many are ...

Eccrine sweat glands—millions of which produce our salty, cooling perspiration—are actually found in all mammals. But in most other animals, the fluid from eccrine glands is not used to cool down, but ...

We all sweat – it’s one of the body’s most normal functions. Running to catch a bus, a stressful meeting and hormonal changes are just some things that can trigger it. And while sweat helps regulate ...

New technology could make it significantly easier to monitor patients’ vital health signs. Engineers at the University of California San Diego have developed an electronic finger wrap that monitors ...

Everybody sweats — some a little, some a lot. You probably already know that your body sweats as a way to cool down when you’re hot or exerting yourself. But do you know what’s in sweat? And can you ...

Jessica was a writer on the Wellness team, with a focus on health technology, eye care, nutrition and finding new approaches to chronic health problems. Expertise Public health, new wellness ...

Phew, this summer was hot — and some places are still roasting! With people around the world experiencing dangerously high, record-breaking temperatures, we've all been sweating it. You might find ...