Image: By cellanr –, CC BY-SA 2.0, Hyperlink
Twitter and Square CEO Jack Dorsey (42) walks 5 miles to work every day, eats just 1 meal a day, fasts all weekend, and attempts to meditate two hours every day. CNBC appeared at 11 of the”health” customs, which he discussed on a recent installment of this Ben Greenfield Fitness podcast.

“Nothing has given me mental confidence than being able to go direct from room temperature into the chilly,” Dorsey says.” [E]especially in the morning, going in an ice-cold tub from just being warm in bed is it just unlocks this thing in my mind and I feel like if I could will myself to do this thing that seems so small but hurts so much, I can do nearly anything.”