title: Endorphins and mood changes in long-distance running.
mesh_terms: D004723:Endorphins / Q000502:physiology*; D005260:Female; D006801:Humans; D008297:Male; D009270:Naloxone / Q000494:pharmacology; D012420:Running
chemical_list: D004723:Endorphins; D009270:Naloxone