This is very similar to what Wim Hof (<a href="https:&#x2F;&#x2F;en.wikipedia.org&#x2F;wiki&#x2F;Wim_Hof" rel="nofollow">https:&#x2F;&#x2F;en.wikipedia.org&#x2F;wiki&#x2F;Wim_Hof</a>) is now verifiably able to do. He&#x27;s made headlines recently with his ability to control his immune response, which was previously thought impossible.<p>Tim Ferriss has a pretty interesting interview with him, minor language barrier notwithstanding: <a href="http:&#x2F;&#x2F;fourhourworkweek.com&#x2F;2015&#x2F;09&#x2F;07&#x2F;the-iceman-wim-hof&#x2F;" rel="nofollow">http:&#x2F;&#x2F;fourhourworkweek.com&#x2F;2015&#x2F;09&#x2F;07&#x2F;the-iceman-wim-hof&#x2F;</a>