Ben Greenfield explains how fasting builds self-control and discipline, with roots in religious practice. Skipping meals eliminates food prep and eating time, letting him focus on demanding work without distraction.
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Fasting also builds self-control and discipline, which is perhaps why it's also linked to the elements of many religious or spiritual practices. Practicing restraint, choosing not to give in to hunger right away, can carry over into restraint in other areas of life. It can strengthen your ability to resist distractions and temptations. I also really like to fast if I have a very, very busy day where I wanna focus on a lot of tasks. Not only can food noise be distracting, but it can also take away extra time from working on an important project to go off and need to eat a meal or prepare a meal.