title: Behavioural effects of opioid peptides.
mesh_terms: D000818:Animals; D001519:Behavior / Q000187:drug effects / Q000502:physiology*; D001522:Behavior, Animal / Q000187:drug effects / Q000502:physiology; D004361:Drug Tolerance; D004723:Endorphins / Q000494:pharmacology / Q000502:physiology*; D004745:Enkephalins / Q000494:pharmacology / Q000502:physiology; D005059:Euphoria / Q000187:drug effects; D006801:Humans; D007858:Learning / Q000187:drug effects; D008568:Memory / Q000187:drug effects; D019964:Mood Disorders / Q000378:metabolism; D009270:Naloxone / Q000494:pharmacology; D009293:Opioid-Related Disorders / Q000378:metabolism; D051381:Rats; D012559:Schizophrenia / Q000378:metabolism
chemical_list: D004723:Endorphins; D004745:Enkephalins; D009270:Naloxone