Peter Attia· MD
3 to 4 days is probably that window at which we do enough to change how your body is interacting with the absence of nutrients to basically do kind of a reboot on your system
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The evidence is convergent. Multiple independent sources reach the same conclusion, the underlying mechanism is well-characterized, and even the field's most cautious voices treat it as worth doing.
3 to 4 days is probably that window at which we do enough to change how your body is interacting with the absence of nutrients to basically do kind of a reboot on your system
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The color there is I began looking at fasting as a tool for many, many different reasons. And whether that be related to, say, longevity or the reason I was excited about it is I was looking at it as a reboot of the immune system, even shorter fasts, three days.
Time-restricted eating produces fat loss independent of total calories.
A 72-hour fast measurably improves autophagy markers in healthy adults.
One-meal-a-day (OMAD) eating patterns increase all-cause mortality in long-running cohort data.
Eating the largest meal before 3pm improves 24-hour glucose vs. an evening-heavy schedule, calorie-matched.