And now for some other science news. A new technique called cryotherapy is emerging in which people subject themselves to short bursts of extreme cold, in order to rejuvenate the body:
It's minus 120 degrees and all I'm wearing is a hat and socks. Cryotherapy is the latest treatment for a range of illnesses including arthritis, osteoporosis, and even MS. New Age madness or a genuine medical breakthrough?
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