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Common food additives may cause hyperactivity in children in the
general population, according to a study published online in Lancet.
In
a ran_domized crossover trial, 137 three-year-olds an_d 130 eight- or
nine-year-olds consumed daily drinks of placebo, mix A (sodium benzoate
an_d artificial food coloring), or mix B (similar to mix A, but with
additional food coloring) for 6 weeks. Hyperactivity was evaluated
using teacher an_d parent ratings, direct observation, an_d a
computerized test.
Compared with placebo in adjusted analyses,
mix A was associated with elevated hyperactivity scores among
three-year-olds, while mix B was associated with elevated scores among
eight- or nine-year-olds.
The authors write, "These findings
show that adverse effects are not just seen in children with extreme
hyperactivity (ie, ADHD), but can also be seen in the general
population an_d across the range of severities of hyperactivity."
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