Food 'Expiration' DatesWhat’s the difference between a sell by date, a best if used by date, and a use by date?
3 On Your Side: Exposing Myths About Expiration Dates On FoodsIf you do the grocery shopping in your house, chances are you pay attention to expiration and sell-by dates. But those dates on the packaging don't always mean the same thing, and as 3 On Your Side consumer reporter Jim Donovan finds, you could be tossing good stuff away.

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