LOS ANGELES - Blame the potato chip. It's the biggest demon behind that pound-a-year weight creep that plagues many of us, a major diet study found. Bigger than soda, candy and ice cream.
And the reason is partly that old advertising cliche: You can't eat just one.
"They're very tasty and they have a very good texture. People generally don't take one or two chips. They have a whole bag," said obesity expert Dr. F. Xavier Pi-Sunyer of the St. Luke's-Roosevelt Hospital Center in New York.
Read more: http://www.cbsnews.com/stories/2011/06/23/health/main20073582.shtml#ixzz1Q72PiH6R