Wow. At home breathing/cold method to boost immune system. Wim Hof..anyone try?

Anyone try this or hear of it?

Breathing and cold therapy you can do at home to increase immune system function. I really like that there have been and are continuing to be testing showing results.

I have started the breathing exercises.

Anyone else done this/heard of it?

He was injected with bugs and did not get sick! how cool is that. I'm in ; )

http://www.highexistence.com/the-wim-hof-method-revealed-how-to-consciously-control-your-immune-system/