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The body releases the largest pulses of growth hormone during deep sleep

All experiments were carried out in compliance with the National Institutes of Health (NIH) guidelines for the care and use of laboratory animals and were previously approved by the Ethics Committee on the Use of Animals of the Institute of Biomedical Sciences at the University of So Paulo

Might also be worth going armed with evidence and guidelines, since many GP's do not know about this and are often reluctant to offer it to sufferers (I know mine was)

Notably, we found that other metabolites (Glu, mI, tCho, NAA, tNAA) did not differ among groups, paralleling Bathels finding that GABA was unchanged in episodic migraine, and highlighting the selectivity of neurochemical alterations in migraine

They found that in people with autism, the drug boosts brain levels of gamma-aminobutyric acid (GABA), which dampens brain signals, relative to levels of glutamate, which excites brain activity