Simply using zinc supplements could improve the treatment of attention-deficit hyperactivity disorder, supporting theories about the contribution of dietary deficiencies to the condition’s development.

In a trial assessing the benefits of prescribing the supplement zinc sulphate with the drug Ritalin, a group of Iranian researchers found that children taking the combination improved faster than those taking the drug alone.

“The efficacy of zinc sulphate to increase the rate of improvement in children, seems to support the role of zinc deficiency in the pathogenesis of ADHD,” say the authors.

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