This is very similar to what Wim Hof (https://en.wikipedia.org/wiki/Wim_Hof https://en.wikipedia.org/wiki/Wim_Hof) is now verifiably able to do. He's made headl

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