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Lynne Lamberg

JAMA. 2006;295:2341-2344.

	Since this article does not have an abstract, we have provided the first 150 words of the full text and any section headings.

Washington, DC—Fondness for super-sized fries and disdain for exercise have boosted the demand for super-sized wheelchairs, hospital beds, and caskets in the United States. Two thirds of US adults today are at least overweight (body mass index [BMI]>25). Nearly one third are obese (BMI>30), and more are morbidly obese (BMI>40) than in years past. Adults of "normal" weight constitute an ever-slimmer minority of the US population. Worldwide, 1 in 4 adults is overweight.

While many of these people eat too much and exercise too little, it is likely that other factors also contribute to the nation's expanding waistline. A decline in daily hours of sleep, a trend concurrent with the nation's surge in obesity, may play more of a role in promoting overeating and weight gain than previously thought, according to experts at a 2-day workshop that explored this premise here in March. In 2004, about 3 . . . [Full Text of this Article]

MANY PUTATIVE CAUSES OF OBESITY