ABC News visited a cryotherapy center to try out a sub-zero full-body machine. — -- What does it feel like to have your body immersed in sub-zero temperatures? I was soon going to find out. I ...
Cold has been used to treat illnesses since at least 450 BC when Hippocrates advised packing wounded soldiers in ice to delay death. In the 1800s, wounded soldiers were cooled to promote recovery by ...
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