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Food expiration dates don't have much science behind them – a food safety researcher explains another way to know what's too old to eat

By Jill Roberts, Associate Professor of Global Health, University of South Florida
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Florida’s outbreak of listeria has so far led to at least one death, 22 hospitalizations and an ice cream recall since January. Humans get sick with listeria infections, or listeriosis, from eating soil-contaminated food, undercooked meat or dairy products that are raw, or unpasteurized. Listeria can cause convulsions, coma, miscarriage and birth defects. And it’s the third…The Conversation


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