Insulin is an anabolic hormone whose job is to store energy (glucose and fat). When insulin levels go up (from eating sugar/high-glycemic foods), cells get more energy. When you exercise, insulin levels go down because energy is being used. Cells with more energy are more prone to going out of control—a mechanism linking high insulin to cancer risk.
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Daniel LiebermanEvidence Quote
“insulin, the basic function of insulin is is is it's it's what we call an anabolic hormone. It's its job is to is to store energy... when you eat food, insulin levels go up because its job is to store that energy. And when you exercise, insulin levels go down because you want to then use that energy... when cells get more energy, they're more prone to going out of control”
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Harvard Professor: REVEALING The 7 Big LIES About Exercise, Sleep, Running, Cancer & Sugar!!!— The Diary Of A CEOCreated: 8/12/2026, 6:22:05 PM
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