ADHD : Artificial Food Colors and ADHD

By a News Reporter-Staff News Editor at Mental Health Weekly Digest -- A new study on Attention Deficit Hyperactivity Disorders is now available. According to news reporting out of West Lafayette, Indiana, by NewsRx editors, research stated, "This review examines the research on mechanisms by which artificial food colors (AFCs) and common foods may cause behavioral changes in children with and without attention-deficit/hyperactivity disorder (ADHD). Children with ADHD show excess inattention, impulsivity, and hyperactivity."

Our news journalists obtained a quote from the research from Purdue University, "Studies have shown that a subgroup of children (with or without ADHD) react adversely to challenges with AFCs (artificial food colors). Many early studies found few children who reacted to challenges with 20-40 mg of AFCs. However, studies using at least 50 mg of AFCs showed a greater percentage of children who reacted to the challenge. Three types of potential mechanisms are explored: toxicological, anti-nutritional, and hypersensitivity. Suggestions for future studies in animals and/or children include dose studies as well as studies to determine the effects of AFCs on the immune system, the intestinal mucosa, and nutrient absorption."

According to the news editors, the research concluded: "Given the potential negative behavioral effects of AFCs, it is important to determine why some children may be more sensitive to AFCs than others and to identify the tolerable upper limits of exposure for children in general and for children at high risk."

For more information on this research see: Mechanisms of behavioral, atopic, and other reactions to artificial food colors in children. Nutrition Reviews, 2013;71(5):268-81. Nutrition Reviews can be contacted at: Blackwell Publishing Inc, 350 Main St, Malden, MA 02148, USA. (Wiley-Blackwell -; Nutrition Reviews -

Our news journalists report that additional information may be obtained by contacting L.J. Stevens, Dept. of Nutrition Science, Purdue University, West Lafayette, Indiana, United States (see also Attention Deficit Hyperactivity Disorders).

Publisher contact information for the journal Nutrition Reviews is: Blackwell Publishing Inc, 350 Main St, Malden, MA 02148, USA.

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