Food Colours and Hyperactivity

There has been ongoing debate and research regarding the potential link between food colours and hyperactivity in children. The topic gained significant attention following the publication of a study by McCann et al. in 2007, which suggested that certain artificial food colourings may exacerbate hyperactive behaviour in some children.

Background

The idea that food additives, including artificial colours, might contribute to hyperactivity dates back to the 1970s when Dr. Benjamin Feingold proposed a diet that eliminated such additives to manage symptoms of attention deficit hyperactivity disorder (ADHD). However, subsequent studies have yielded mixed results, making it challenging to establish a definitive link.

Key Studies

A notable study published in 2007 by McCann et al. in the journal The Lancet found that a mixture of artificial food colourings and sodium benzoate (a preservative) increased hyperactivity in children. This study involved 153 3-year-old and 144 8/9-year-old children who were given either a drink containing the additives or a placebo. The results showed significant increases in hyperactive behaviour among the children consuming the additive-containing drink.

Regulatory Responses

In response to these findings, some regulatory bodies have taken action. The European Food Safety Authority (EFSA) has evaluated the evidence and concluded that while the data from the McCann study suggests a possible link between certain artificial colours and hyperactivity, the evidence is not strong enough to establish a causal relationship for the general population. However, the EFSA did acknowledge that some individuals might be more sensitive to these additives.

The European Union (EU) has implemented regulations requiring foods containing six specific artificial food colours (Tartrazine E 102, Quinoline Yellow E 104, Sunset Yellow FCF E 110, Ponceau 4R E 124, Allura Red AC E 129, and Sodium benzoate E 211) to be labelled with a warning stating that they "may have an adverse effect on activity and attention in children."

American Regulatory Perspective

In the United States, the Food and Drug Administration (FDA) has also reviewed the evidence regarding food colours and hyperactivity. The FDA has concluded that while some studies suggest a possible association between certain artificial food colourings and hyperactive behaviour in children, the current scientific evidence does not support the conclusion that such additives cause ADHD or hyperactivity.

Conclusion

The relationship between food colours and hyperactivity remains a topic of debate. While some studies suggest that certain artificial food colourings may exacerbate hyperactive behaviour in sensitive individuals, the overall evidence is not conclusive enough to establish a causal link for the general population. Further research is needed to fully understand any potential effects of food additives on children's behaviour.