Do food additives cause hyperactivity?

Image source: Flickr user ljguitar.

Food additives and hyperactive behaviour in 3-year-old and 8/9-year-old children in the community: a randomised, double-blinded, placebo-controlled trial

100% of 153 3-year-olds showed an adverse effect in hyperactivity after consuming beverages with sodium benzoate and artificial food colour and additives (AFCAs)!  All of them. (Sodium benzoate and AFCA are found in sodas, soft drinks, and common fruit flavored drinks and beverages.  Read your labels!)

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