Research in the Bimal Ashar Lab focuses on preventive medicine, medical education and dietary supplements. Recent research explored medical residents' knowledge of dietary supplements and examined the reported validity and reliability of methods for evaluating continuing medical education.

Work in the Hsin-Chieh Yeh Lab focuses on clinical trials and cohort studies of diabetes, obesity and behavioral intervention, cancer and hypertension. Recent investigations have focused on novel risk factors and complications related to obesity and type 2 diabetes, particularly lung function, smoking and cancer. We recently co-led a randomized clinical trial of tailored dietary advice for consumption of dietary supplements to lower blood pressure and improve cardiovascular disease risk factors in hypertensive urban African Americans.