Many people start doing intermittent fasting (IF) to lose weight, especially stubborn belly fat. Since you're not eating for long periods of time, there are fewer opportunities to consume calories, which is why IF helps people eat fewer calories effortlessly. Dr. Luiza Petre, MD, a weight-loss specialist and board-certified cardiologist, told POPSUGAR that IF also raises human growth hormone and lowers insulin levels, both of which help burn more fat.
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