title: The Need for Stimulation.
authors.affiliation: Editor.
authors.forename: John
authors.initials: J
authors.lastname: Somberg
mesh_terms: D002110:Caffeine / Q000494:pharmacology*; D000697:Central Nervous System Stimulants / Q000494:pharmacology*; D006801:Humans; D009538:Nicotine / Q000494:pharmacology*; D013268:Stimulation, Chemical
chemical_list: D000697:Central Nervous System Stimulants; D002110:Caffeine; D009538:Nicotine