Can an ice bath really help you lose weight, keep you mentally sharp, and speed up your post-workout recovery? Mounting ...

When you see a shirtless guy (and let’s be honest, it’s usually a guy) hacking through a frozen tub with a hatchet to start his morning with a cold plunge, he’s probably not just doing it for the ...

Daniela Hernandez extends her health and science reporting to cover a variety of relevant subjects from Covid-19 to climate change.

From combating fainting to helping aircraft work efficiently, planes are chilly for a reason.

For decades a small number of hardy souls have celebrated New Year’s in the most bracing way possible — jumping into icy water for a festive “polar plunge.” The obvious downsides of the practice long ...