In America, bigger is better. Pool table-sized flat-screen TVs show reality programs with larger-than-life personalities living in McMansions, and we watch while mindlessly eating our super-sized meals and diving into a gallon of cookie dough ice cream. According to the Centers for Disease Control and PreventionCDC), nearly 70 percent of U.S. adults are either overweight or obese.

When it comes to weight, bigger is decidedly not better.