Forty years after a Japanese doctor began using whole body cryotherapy to treat patients with arthritis; the technique has made its ways to med-spas and locker rooms throughout the West. But does it actually do anything?
Learn more about advertising on the HowStuffWorks podcasts at www.howstuffworks.com/advertisers.htm
And to learn about your ad choices when listening to podcasts, visit
https://www.howstuffworks.com/privacy.htm#ad-choices