food safety food safety

Irradiation is most often used to kill insects, parasites, or bacteria in or on spices, which are typically dried outdoors in before being shipped. Lui Kit Wong/MCT /Landov hide caption

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Lui Kit Wong/MCT /Landov

Adrian Mesa protests the overuse of antibiotics in meat production outside a Burger King in Coral Gables, Fla. in 2003. Joe Raedle/Getty Images hide caption

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Joe Raedle/Getty Images