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Weighing factors in obesity
In “Obesity research gets weightier” (SN: 12/29/12, p. 28) Nathan Seppa says that green space and a nearby grocery store reduce the incidence of obesity. I think I understand how the green space affects it (clean air, physical activity, et cetera), but I don’t understand how the grocery store does. Is there anything showing a connection?
Ted Grinthal, Berkeley Heights, N.J.

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