Synergistic and Non-Synergistic Associations For Cigarette Smoking and Non-Tobacco Risk Factors for Cardiovascular Disease Incidence in the Atherosclerosis Risk In Communities (ARIC) Study … View the original here: Synergistic and Non-Synergistic Associations For Cigarette Smoking and Non-Tobacco Risk Factors for Cardiovascular Disease Incidence in the Atherosclerosis Risk In Communities (ARIC) Study