I'm one of the "no effect" people... I've been on Singulair fo...

I am glad you are one of those who have not had such as advere event, what is surprising is that why has anyone or rather Merck not requested drug saftey & adverse events filing even if it meant the slightest side effects seen, why have these patients not reported these side effects 1 year ago if they found it strange. What kind of parents live out there, irresponsible, you see your child's behaiour change only after 2 years, so what were they doing then ( extra curricular activities surely took them away from their responsibilites).