This report from Swedish researchers surprises even me. And I'm a stickler for portion control eating. Overeating for just four weeks can cause changes in body fat composition that last for years, the Swedish researchers said. Even brief periods of increased food consumption -- such as the first few weeks of college dorm life, a three-week cruise with its all-you-can-eat buffet, or the string of parties from Thanksgiving through New Year's -- can have lasting effects. Full story here . . .