There was no drug that was more addictive than the ones your body could make on its own. As with opioids, there was an actual science that explained adrenaline junkies. High-risk behaviors rewarded the body by flooding the system with an intense surge of adrenaline. Adrenergic receptors, like their country cousin mus, loved the overly aggressive stimulation, which fell along the same pathways as the fight-or-flight instinct. Most people hated that perilous, exposed sensation, but adrenaline junkies lived for it. It was no coincidence that adrenaline’s AKA was epinephrine, a hormone valued by
...more
