Tools of Titans: The Tactics, Routines, and Habits of Billionaires, Icons, and World-Class Performers

by Timothy Ferriss

Why Consider Fasting? Dom has discussed the idea of a therapeutic “purge fast” with his colleague Dr. Thomas Seyfried of Boston College. Per Dom: “If you don’t have cancer and you do a therapeutic fast 1 to 3 times per year, you could purge any precancerous cells that may be living in your body.”