Circadian Clock & Obesity (IMAGE) Vanderbilt University Caption A new study shows that disruption of the circadian clock increases risk of obesity, diabetes and heart disease. Credit Daniel Dubois, Vanderbilt University 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.