Trader Joe's keeps issuing recalls. Rocks, insects, metal in our food. Is it time to worry?

"Modern supply chains are longer and more complex than ever before, which makes it increasingly more difficult for companies to ensure the quality of every single product they sell," Wowak said in a USA Today piece.

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Illustrations of painted round yes and no signs with happy and sad faces and question marks above them.

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When consumers turn to a moral authority

Moral implications can have as much influence on purchasing decisions as financial returns, according to new research from Professor Amanda Sharkey.

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