title: Second messengers, natural rewards, and drugs of abuse.
mesh_terms: D001552:Benzazepines / Q000494:pharmacology; D001921:Brain / Q000166:cytology / Q000503:physiopathology*; D000242:Cyclic AMP / Q000502:physiology*; D004075:Diglycerides / Q000502:physiology*; D004298:Dopamine / Q000494:pharmacology; D005989:Glycerides / Q000502:physiology*; D006624:Hippocampus / Q000187:drug effects / Q000502:physiology; D006801:Humans; D015544:Inositol 1,4,5-Trisphosphate; D007295:Inositol Phosphates / Q000502:physiology*; D009474:Neurons / Q000502:physiology; D012054:Reinforcement, Psychology; D012201:Reward; D019966:Substance-Related Disorders / Q000503:physiopathology*; D013403:Sugar Phosphates / Q000502:physiology*; D013469:Sulpiride / Q000494:pharmacology
chemical_list: D001552:Benzazepines; D004075:Diglycerides; D005989:Glycerides; D007295:Inositol Phosphates; D013403:Sugar Phosphates; D013469:Sulpiride; D015544:Inositol 1,4,5-Trisphosphate; D000242:Cyclic AMP; D004298:Dopamine