The obesity crisis is catching up with Colorado, the nation's thinnest state.
Being fit is part of the culture in Colorado: there are biking trails and hiking trails and ski slopes and even the high altitude itself helps burn off calories. But waistlines are widening, especially among children.
Losing weight in America is big business. Americans spend $61 billion a year on everything from diet pills and exercise videos to meal plans, health club memberships and medical treatment. One of the fastest growing and lucrative segments of the weight-loss market is surgery.