Reducing the Risk of Adverse Drug Events (Harriet Hall) <a href="http://www.sciencebasedmedicine.org/index.php/reducing-the-risk-of-adverse-drug-events/">http://www.sciencebasedmedicine.org/index.php/reducing-the-risk-of-adverse-drug-events/</a> Adverse reactions to drugs are a serious problem, but one that could be largely solved. 4 drugs cause 2/3 of the reactions: warfarin, insulin, antiplatelet agents and oral hypoglycemic agents; and most incidents are due to unintentional overdoses.