The Science Behind Cold Water Plunges: A Boon to the Immune System or Just Hype?
Studies show a freezing dunk can improve your immune system and stave off depression—unless it causes a heart attack or frostbite. Here’s what you need to know.

Studies show a freezing dunk can improve your immune system and stave off depression—unless it causes a heart attack or frostbite. Here’s what you need to know.