In years past, large meals full of protein would be followed by long periods of fasting in order to «digest». (idmprogram.com)
Your body improves energy efficiency by increasing and strengthening the mitochondria during periods of fasting. (drjockers.com)
This is true, regardless of whether or not you are exercising, and happens largely because of an increased release of growth hormone during short periods of fasting. (chestsculpting.com)