The Mandatory Cold Plunge Guide to Personal Salvation While Freezing Your Balls Off (And Not Dying in the Process)

The fountain of youth may actually be a frozen pond. Practitioners of cold plunging (the act of dipping your body into dangerously cold water for minutes at a time) swear by the health benefits. In fact, the entire nation of Denmark has taken to plunging into the frigid Baltic Sea to combat depression during the long winters. Sound insane? A little…