Once you are done with a good run or sweating it out in the gym, what’s the first thing you do? Do you just sit and relax, have water, or reach out for a towel and hit the shower? If showering is one ...

Hot showers are one of life's great pleasures. Like a generous bear hug, they make everything feel better. But for the likes of Wim Hof, the self-styled Iceman, and an army of fellow advocates ...