David A. Kessler

Most of us know what it feels like to fall under the spell of food -- when one slice of pizza turns into half a pie, or a handful of chips leads to an empty bag. But it's harder to understand why we can't seem to stop eating -- even when we know better. When we want so badly to say "no," why do we continue to reach for food? Dr. David Kessler, the dynamic former FDA commissioner who reinvented the food label and tackled the tobacco industry, cracks...