Diet
Jury Still Out on Foods, Additives, and ADHD
By
May 28, 2009 - 11:00:55 AM

(HealthNewsDigest.com) - BOSTON—Diet alone probably isn’t the driving force behind the behavioral and cognitive symptoms that plague children with attention deficit hyperactivity disorder (ADHD). But recent studies have renewed interest in whether certain foods and additives might affect particular symptoms in a subset of children with ADHD, reports the June 2009 issue of the Harvard Mental Health Letter.

A recent analysis of 15 studies that examined the impact of artificial food colorings on ADHD suggested that removing these agents from the diets of children with ADHD would be about one-third to one-half as effective as treatment with methylphenidate (Ritalin). But the authors of the analysis cautioned that only a minority of children are particularly vulnerable to the effects of artificial additives. They also pointed out that it is difficult to determine which children are susceptible.

Other nutritional factors that have been linked to ADHD symptoms include a deficiency of omega-3 fats, which improve brain cell communication, and deficiencies of vitamins or minerals such as zinc, iron, magnesium, and vitamin B6. So far, though, the research has not shown that giving nutritional supplements to children with ADHD alleviates their symptoms.

Dr. Michael Miller, editor in chief of the Harvard Mental Health Letter, recommends that parents of children with ADHD take a sensible approach to nutrition: eat a diet that emphasizes fruits and vegetables, whole grains, healthful unsaturated fats, and good sources of protein; go easy on unhealthy fats and rapidly digested carbohydrates; and balance healthy eating with physical activity. A healthful diet may reduce symptoms of ADHD by reducing exposure to artificial colors and additives and improving intake of omega-3 fats and micronutrients. But it certainly will improve overall health and nutrition, and set the stage for a lifetime of good health.

Read the full-length article: "Diet and attention deficit hyperactivity disorder"

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