Nervous folks are peering more closely at dates stamped on the produce they buy from supermarkets. But how helpful are these dates really?
Many of them are actually quite confusing. "Is a food fresh until Feb. 1, 2008, if that's the date stamped on it, and then do you throw it out on Feb. 2?" asks Jeanne Goldberg, professor at the Friedman School of Nutrition Science & Policy at Tufts University. "It's a very inexact science since those dates include a wide margin of safety.
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