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    Food Additives May Make Kids Hyper

    Artificial Colors, Additives Boost Hyperactive Behavior in Toddlers and Children, Study Shows
    By
    WebMD Health News
    Reviewed by Louise Chang, MD

    Sept. 6, 2007 -- Artificial coloring and preservatives in food can increase hyperactivity in kids, a new British study shows.

    Researchers from the University of Southampton in the U.K. evaluated the effects of drinks containing artificial colors and additives on 3-year-old and 8- and 9-year-old British kids and found that the additives made hyperactive behavior worse -- at least up to middle childhood.

    The link between such food additives and hyperactivity has been long debated. "The importance of our work is that effects have been found for 3-year-old and for 8- and 9-year-old children in the general population, not just for those diagnosed with attention deficit hyperactivity disorder (ADHD), " says Jim Stevenson, PhD, professor of psychology at the university and a co-author of the study, published online Sept. 6 in The Lancet. "The size of the effects is similar to that found for children with ADHD."

    But a U.S. expert said that scientific evidence overall does not point to a definitive link between additives and hyperactivity. He said it is premature, based on these study results, to suggest a public policy change. But the U.K. Food Standards Agency, which funded the study, has already revised its advice to parents about what to feed their children.

    The U.K. Study

    The researchers evaluated the effects of different "cocktails" of beverages containing artificial food colors and other additives in 153 3-year-olds and 144 8- and 9-year-olds from the general population. In all, 267 of the 297 children completed the study and were evaluated by teachers and parents for behavior changes after drinking the trio of beverages.

    The children drank two types of beverages with food additives commonly found in sweets, beverages, and other foods, and then a placebo drink (one with no additives). One mix had artificial colorings, including sunset yellow (also called E110), carmoisine (E122), tartrazine (E102), ponceau 4R (E124), and the preservative sodium benzoate. Another beverage mix included the current average daily consumption of food additives by the two age ranges of children and included quinoline yellow (E104), allura red (E129) , sunset yellow, carmoisine, and sodium benzoate.

    Teachers and parents evaluated behaviors after the children drank each type of beverage, and the older children also were tested on their attention spans.

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