You're at a restaurant and just devoured a hearty meal. With an uncomfortably full stomach and seemingly tighter pants, you can't fathom eating another bite — that is, until the dessert tray passes by and your hunger returns. But why does the sight of sweet treats open up a mysterious empty compartment in your tummy?
The secret is variety, according to Len Epstein, a SUNY distinguished professor of pediatrics and chief of the Division of Behavioral Medicine at Jacobs School of Medicine and Biomedical Sciences at the University at Buffalo in New York.
