ITHACA, N.Y., Nov. 16 (UPI) -- A U.S. researcher says willpower to keep from eating too much is stymied by larger packaging, cheap prices and big portions.
David Levitsky, professor of nutritional sciences and of psychology at Cornell University, and co-author Carly Pacanowski, a graduate student, said their review article found powerful environmental cues are subconsciously bending willpower every day.