I have been reading a book on anxiety and phobias,it says that the Gene # 23 is shorter for people pre dispositioned for anxiety,If this is the case it makes sense as this drug works genetically,,so i wonder the % of short 23 to long 23, and that would give Merck its % of adverse side effects...betting its more than they are saying.As far as the doctors still saying this is a small %,they are just not asking the right questions,The insurance companies should have a record on clients that filled prescriptions for singulair and anti depressants and adhd drugs.If we all cn figure it out in a week ,Well what does that say