23 Jul 2014 --- If you’re a member of the Clean Plate Club – you eat pretty much everything you put on your plate – you’re not alone! A new Cornell University study shows that the average adult eats 92% of whatever he or she puts on his/her plate. “If you put it on your plate, it’s going into your stomach,” says Brian Wansink Ph.D., author of the forthcoming book, Slim by Design, Professor of Marketing and Director of the Cornell Food and Brand Lab.