Testing pain tolerance. (IMAGE) UiT The Arctic University of Norway Caption Pain tolerance is tested by submerging the hand in ice-cold water. Credit Stina Grønbech/Tromsøundersøkelsen Usage Restrictions Use in connection with this story only. License Original 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.