BJJ and a Wim Hof demonstration have taught me a lot about stress management and breathing. I do some of the exercises daily like hot to cold shower (wakes up t

BJJ and a Wim Hof demonstration have taught me a lot about stress management and breathing. I do some of the exercises daily like hot to cold shower (wakes up the parasympathetic response). Interesting topic - a bit of a gloss by NPR though