BMI and Mean Annual Cost Per Employee (IMAGE) Duke University Medical Center Caption Analyzing health care claims from Duke employees, Duke researchers observed that the average medical care and pharmacy costs grew gradually with each unit increase in BMI. Credit Duke Medicine Usage Restrictions None License Licensed content Disclaimer: AAAS and EurekAlert! are not responsible for the accuracy of news releases posted to EurekAlert! by contributing institutions or for the use of any information through the EurekAlert system.