The problem with being overweight is that when we walk into a room, our "problem" walks in with us.

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"Of course, a lot of people would like to hear that it's no problem that they are overweight or obese, " said Walter Willett, professor of medicine at Harvard Medical School and chair of the Harvard School of Public Health's Department of Nutrition.

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Among other things, that bias assumes that overweight people are at fault for the problem.

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But overall, diabetes, driven so intensely by overweight and obesity, "is a terribly difficult problem, " Dr. Weir says.

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By Wednesday, the FDA will reach a decision the drug, which is intended for the obese or overweight who have at least one additional weight-related health problem.

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Type 2 diabetes, which is also called adult onset diabetes, is a growing problem in the Western world and is most common in the overweight and the obese.

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While the U.S., with 65% of adults overweight, is the world leader in fat people, the WHO says the obesity problem is global.

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That's not a problem if it's a one-off, but two out of three adults are overweight or obese.

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