Wim Hof is an individual case study that has done research in this area, and other related phenomena (breathing and autonomous response control)[1] Not sure it

Wim Hof is an individual case study that has done research in this area, and other related phenomena (breathing and autonomous response control)[1] Not sure it's any more or less "bro science" then this article, but it's interesting and relevant enough to be worth talking about here I think. [1] https://www.radboudumc.nl/Research/Pages/PNASIceman.aspx https://www.radboudumc.nl/Research/Pages/PNASIceman.aspx