Eric Verdin, Gladstone Institutes (image) Gladstone Institutes Caption Dr. Verdin's team has uncovered the specific mechanism by which a low-calorie, "ketogenic" diet delays the aging process. Credit Gladstone Institutes/Chris Goodfellow Usage Restrictions Please contact Gladstone Press Relations for reprint permissions. 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.