A Common Preservative in Cheese and Bread Could Negatively Affect Our Metabolism, Study Finds

By Ed Cara

Photo: Kris Connor (Getty Images)

In recent years, scientists have started cautiously warning about the subtle harms that certain food additives might be causing in people. A new study out Wednesday suggests that the common food preservative propionate could be one of these additives to be worried about. In experiments in both mice and people, it found eating propionate could negatively affect metabolism, including raising resistance to insulin.

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