Scientists Learn More About How Roughage Keeps You 'Regular' (image) Medical College of Georgia at Augusta University Share Print E-Mail Caption Drs. Paul L. McNeil (left) and Katsuya Miyake, MCG cell biologists. Credit Medical College of Georgia 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.