“An immediate reaction to hunger is to secrete adrenalin, which...

“An immediate reaction to hunger is to secrete adrenalin, which draws glucose from the liver and fats from the fatty tissues. When the liver’s glycogen is depleted, cortisol is produced to mobilize amino acids from muscles and other tissues, to provide energy.

Muscle protein is very rich in tryptophan and cysteine, and these amino acids suppress the thyroid gland’s function, and are potentially toxic to nerves, especially in the presence of cortisol and hypoglycemia. Tryptophan is turned into serotonin, which promotes lipid peroxidation, blood clotting, and certain patterns of nerve activity. Serotonin can suppress mitochondrial respiration, and along with the reduced body temperature that it produces, a pattern of torpor or helplessness tends to be produced.” Ray Peat
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