Nurse takes cheek swab from child (IMAGE) Penn State Caption Penn State researchers have developed risk scores that distill genetic information—collected, for example, using a cheek swab like the one pictured here—into an easy-to-interpret metric that could help clinicians identify young children most at risk of developing obesity. Credit Penn State Center for Medical Genomics Usage Restrictions Credit must be given to the creator. License CC BY 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.