After some supplemental reading, the hypothesis of ADD/ADHD symptoms as a reaction to food allergies has been tested before[1], the authors had done a previous

After some supplemental reading, the hypothesis of ADD/ADHD symptoms as a reaction to food allergies has been tested before[1], the authors had done a previous experiment published back in 2009, and it appears this experiment was designed to avoid criticisms[2] of past experiments in the field. [1] http://www.ncbi.nlm.nih.gov/pubmed/8257176 http://www.ncbi.nlm.nih.gov/pubmed/8257176 [2] http://www.ncbi.nlm.nih.gov/pubmed/17048717 http://www.ncbi.nlm.nih.gov/pubmed/17048717