Celebrities are swearing by it- this new, very expensive health trend. It's called Cryotherapy and basically entails standing in a chamber around some minus 240 degrees Fahrenheit for 1 to 3 minutes. It's like a reverse sauna, but way, WAY more intense. Sessions usually cost around $70 to $100 and they have locations all over the world. So what can we attribute this fad of freezing yourself to?! Well, while Cryotherapy's primary and intended use is for speeding up recovery and helping muscles of athletes, there are many other uses on the radar of the rich and famous. Here are some celebs that have shared their love for Cryotherapy.