In a move that will revolutionize the work of dietitians and health scientists worldwide, Mademoiselle editor Vincent DMeretin revealed plans Monday to publish a long-awaited list of 10 Ways to Flatten Your Tummy in the June issue of the popular womens magazine. The list will offer vital, never-before-known diet and exercise advice that could, if followed properly, take inches of unwanted fat off the tummy area. I eagerly await this information, San Francisco dietitian Mar-garet Loen said. As a professional dietitian, I am unaware of any methods to reduce the fat content of the human body over a several-week period. 