Heart Disease -- Obesity Infographic (IMAGE) Johns Hopkins Medicine Caption In an analysis of clinical data collected on more than 9,000 people, Johns Hopkins researchers have shown that the number of years spent overweight or obese appear to 'add up' to a distinct risk factor that makes those with a longer history of heaviness more likely to test positive for a chemical marker of so-called 'silent' heart damage than those with a shorter history. Credit Johns Hopkins 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.