title: Concern over memory drugs.
mesh_terms: D000544:Alzheimer Disease / Q000188:drug therapy*; D004992:Ethics, Medical; D006801:Humans; D018697:Nootropic Agents / Q000627:therapeutic use*; D013619:Tacrine / Q000627:therapeutic use*
chemical_list: D018697:Nootropic Agents; D013619:Tacrine