Fasting is by far the most sophisticated willpower workout available. If you get good at fasting, you can learn to control every other aspect of your life. If you get good at fasting, you can overcome any addiction, not matter how deeply imbedded.
A Dutch extreme athlete, famous for his ability to withstand freezing temperatures, and breaking world records along the way, Wim Hof is a man on a mission. Millions swear by his simple, accessible exercises, known as the Wim Hof Method.