title: Keep watch on these 3 drug classes.
mesh_terms: D000928:Antidepressive Agents / Q000191:economics*; D000697:Central Nervous System Stimulants / Q000191:economics*; D005102:Health Expenditures / Q000639:trends*; D006801:Humans; D007004:Hypoglycemic Agents / Q000191:economics*; D014481:United States
chemical_list: D000928:Antidepressive Agents; D000697:Central Nervous System Stimulants; D007004:Hypoglycemic Agents