Three Surprising Health Benefits of Subzero Temperatures
How staying cool (like, really cool) can be good for you.
By Dr. Mehmet Oz
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This type of cold therapy is used to freeze off warts, but many people don't know that it's also a treatment for the precancerous lesions we call sun spots. The lesions are removed using liquid nitrogen that can freeze the skin to a teeth-chattering minus 58 degrees.