Colouring the evidence

A University of Maryland clinical psychologist who last year testified unequivocally before a US Food and Drug Administration panel that there was no convincing evidence of a link between food additives and ADHD, or that elimination diets could effectively treat the disorder, has softened her stance. 

Associate Professor Andrea Chronis-Tuscano, a specialist in assessing and treating ADHD and director of the state’s ADHD program, has published an account stating that while she stands by her previous assessment, wider safety concerns exist: “Given the lack of hard evidence, I am not convinced that food colouring additives are dangerous, but I am also not convinced they are not.” 

She says the testimony of others at the hearing caused her to reconsider. Her concerns include the over-representation of food colouring in products designed to attract children, lack of data on food colouring consumption in children, and the lack of