Thin bodies, thin wallets? Not if you're a woman

Is there a connection between fat and finance? A recent study by Dr. Olga Yakusheva, an assistant professor of economics at Marquette University, thinks so.

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According to Yakusheva, high-income men are more likely to be overweight than low-income men, whereas low-income women are more likely to be overweight than high-income women. The trend is most noticeable among women, Yakusheva said, where poor women are "really, really overweight" and rich women are "really, really skinny."

No big surprises for the men. Low income men tend to be in more physical jobs while upper income men usually have white collar jobs. But why are the poor women so overweight?