explanations for this, according to parent feedback that was received. First, parents are likely to have put their children on stimulant medication (an exclusion criterion) because their behavior became too hard for them to manage, and second, some of these children were not compliant. This poses a couple of limitations on the use of PUFAs as a possible treatment for problems that are symptomatic of ADHD because in contrast to stimulant medication, it can take 8 to 12 weeks of supplementation to notice an improvement in symptoms,59,60 and it might be more difficult in children with problematic behavior to elicit compliance in taking up to six capsules per day. Another implication of children with higher scores dropping out is that the results may be a more conservative reflection of treatment effects as the children who completed
the study had lower mean scores on the Conners ADHD Index