title: Preschool attention deficit disorder.  New studies show that both drugs and parent training can be effective.
mesh_terms: D001289:Attention Deficit Disorder with Hyperactivity / Q000175:diagnosis / Q000523:psychology / Q000628:therapy*; D001521:Behavior Therapy / Q000379:methods*; D000697:Central Nervous System Stimulants / Q000627:therapeutic use*; D002675:Child, Preschool; D006801:Humans; D008774:Methylphenidate / Q000627:therapeutic use*; D016487:Parenting
chemical_list: D000697:Central Nervous System Stimulants; D008774:Methylphenidate