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by guiambros 2076 days ago
I still haven't tried any of the breathing techniques, but the book published on Wim Hof's method[1] is a fascinating read.

It was written by an investigative journalist that was initially skeptic of the method, and decided to debunk the myth.

[1] What Doesn't Kill Us: How Freezing Water, Extreme Altitude, and Environmental Conditioning Will Renew Our Lost Evolutionary Strength

https://www.amazon.com/What-Doesnt-Kill-Environmental-Condit...