In the case of these parents, I think their daughters were exhibiting signs of teenage angst and moods, and the parents found this strange behaviour, though most other parents shrug and figure it's par for the course with teens.  Rather appalling was the fact that the medical profession actually supported drugging the teenage moods out of these girls.  So now after about 6-7 years of having their emotions masked by drugs, the girls are in a panic at the thought of what will hit them when they stop taking them.