Completely incorrect. Amphetamine releases massive amounts of norepinephrine, which is the direct precursor to epinephrine (adrenaline). This causes a cascade o

Completely incorrect. Amphetamine releases massive amounts of norepinephrine, which is the direct precursor to epinephrine (adrenaline). This causes a cascade of physical effects, including suppression of insulin, increased blood glucose and a massive boost in cellular energy production. That’s a far cry from “all in your head”. It’s a systemic response that affects every part of the body.