Control Diet and Cocoa Diet (IMAGE) Spanish Foundation for Science and Technology Caption A cocoa-rich diet prevents the formation of aberrant crypt foci in the colon (marked with an arrow) induced by pro-carcinogen azoxymethane. Credit ICTAN Usage Restrictions None License Licensed 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.