There will be side effects, they will be dismissed by doctors, people will be marginalized, called uneducated morons and pushed towards more radical communities.
It won't stop until a critical mass of people realize this is no better than treating people differently for being gay.
Right now, the pharma/medical industries are all-powerful. Can't do anything significant without them involved, and if your doctors turn out to be idiots with a degree, well you're shit out of luck, especially in Europe, where the holy universal healthcare can not be questioned.