No Pain, No Gain? (image) University of Freiburg Share Print E-Mail Caption A study shows that people find sport less strenuous if they believe it's doing them good. Credit Foto: Peter van der Sluijs 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.