I know that cold weather can be dangerous, especially if one is not in proper winter wear. But I came across a video whereby a person is seen digging ice for water and bathing in an icy, mountainous environment. What is the science/technique behind this?

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    I found a nice article on this topic here (the gist seems to be that hypothermia can't be lethal due to a brief exposure to water in cold weather, and other problems can be mitigated by gradual adaptation ) sportsscientists.com/2008/01/exercise-in-the-cold-part-ii/… – Pradyumna Dec 28 '18 at 14:51
  • If you have time, please expand your comment into an answer by summarizing the article. This also might be related to the last step of a sauna which is running outdoors and "bathing" in snow. Also, Lynne Cox, a long distance cold water swimmer trained to the point where she swam one mile in 33 degree water in Antarctica (26 minutes) (see "Swimming to Antarctica") and Jerri Nielsen in "Ice Bound" participated in the South Pole 300 Club: running outside, naked, at minus 100 degrees F after coming out of a sauna at plus 200 deg F. Use any of this you want to. – ab2 Dec 28 '18 at 19:58
  • PS South Pole is at 9,300 feet, and effectively nearly 11,000 feet – ab2 Dec 28 '18 at 20:03

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