Less Exercise, Not More Calories, Responsible for Expanding Waistlines (image) Elsevier Health Sciences Share Print E-Mail Caption This graph shows the percentage of people who report no leisure-time physical activity, based on data from the 1988-94 vs. 2009-2010 NHANES. Credit The American Journal of Medicine, Ladabaum et al. Usage Restrictions None Share Print E-Mail 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.