"However, we need to remember that there are many factors associated with hyperactive behavior in children. These are thought to include genetic factors, being born prematurely, or environment and upbringing," Dr, Andrew Wadge, chief scientist at the Food Standards Agency, said in a statement.
Insights about the causes of ADHD should help parents implement preventive strategies which are urgently needed, Katz noted. "A healthful, unadulterated diet and regular physical activity seem like a good place to start," he added.
For more information on food additives, visit the U.S. Food and Drug Administration.
SOURCES: David Katz, M.D., M.P.H., director, Prevention Research Center, Yale University School of Medicine, New Haven, Conn.; Sept. 6, 2007, The Lancet