Scientists from Queen Mary University of London have successfully mapped the systemic molecular adjustments the human body undergoes during prolonged fasting. The landmark clinical study indicates that while the body switches to burning stored fat within the first two days, deeper biological health benefits—such as systemic protein modifications that protect organs—only manifest after roughly three consecutive days of complete caloric restriction. These findings provide a concrete molecular roadmap that could help develop treatments mimicking the health boosts of fasting without actual starvation.
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