His doctor gave him a blood test for antibodies to common food and environmental allergens. He tested positive for the foods I listed, as well as four common molds, dust mites, and dogs and cats.

I've done lots of behaviors modification techniques with him, but nothing was really helping much. He would just space out during a school assignment or other task. He was also fairly defiant, oppositional, and incredibly moody, in spite of consistent discipline. These behaviors are quickly disappearing on his new diet.