Definition.com
Endorphins is an indwelling pleasure drug triggered by activities that satisfy our individual needs; e.g., when a jogger jogs, a rock climber climbs or a serial killer finds a fresh neck in a dark alley.
Endorphins is an indwelling pleasure drug triggered by activities that satisfy our individual needs; e.g., when a jogger jogs, a rock climber climbs or a serial killer finds a fresh neck in a dark alley.