Why heroin is called “horse”

Heroin earned the nickname "horse" because it kicks equines into overdrive. Morphine and other opiates, which lull humans to sleep, also trigger the ancient equine flight response. In the wild, pursued by predators, a horse runs as fast as he can or dies. Given narcotics, a horse feels unnatural sleepiness creeping into his nervous system… Continue reading Why heroin is called “horse”