Intermittent fasting has become very popular as a strategy to lose weight. In a new study published in the journal Medicine & Science in Sports & Exercise, researchers at Brigham Young University found that performing a vigorous workout just before starting a fast can start the fat-burning process about three and a half hours faster than fasting without a workout. By exercising as you start a fast, your body burns up available glucose for energy and turns to fats instead, inducing a state called ketosis. But understand that if you eat a large meal with lots of carbs before your fast, it can take days to reach this fat-burning state.
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