Sometimes, Food Additives Are Pretty Innocuous

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Robert Gravani, food science professor, Cornell University

The uproar over what critics call "pink slime" in some ground beef refocused attention on what's in the food we eat. Most packaged foods contain at least one item you wouldn't recognize. But many food experts caution that just because you don't know an ingredient doesn't mean you shouldn't eat it. This segment was originally broadcast on April 11, 2012.

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