Enhance Regeneration and Calorie Restriction (image) University of Pennsylvania Share Print E-Mail Caption When mice were allowed to eat without limit and were then exposed to radiation, their intestinal cells' (in red) regeneration was limited (left). Mice fed a calorie-restricted diet showed a greatly enhanced regenerative capacity in their intestinal tissue (right). Credit University of Pennsylvania Usage Restrictions In context of reporting 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.