French and Canadian researchers suggest E551, a common food additive, may increase the risk of coeliac disease in those predisposed to the auto-immune condition.
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Researchers have created a packaging tray that they claim warns of contamination before the food is unwrapped.
Is that meat still good? Are you sure? McMaster researchers have developed a test to bring certainty to the delicate but critical question of whether meat and other foods are safe to eat or need to be thrown out.