Science has now proved that the legendary Wim Hof Method of breath control and cold-training can dramatically enhance energy levels, improve circulation, reduce stress, boost the immune system, strengthen the body and successfully combat many diseases. While Wim Hof himself has run marathons in -30oC in shorts, swum hundreds of meters under the ice, sat in a tank of ice for 90 minutes without his core temperature changing and boosted his metabolism by over 300%, this book documents how anyone can use Wims methods to transform their health and strength, quickly and safely.