Certainly it can t be an environmental cause. We ve done every kind of adversion theory there is from stoning to hanging . But it hasn t stopped. Pushed it underground, but it hasn t stopped it. It s not free will either.
People make choices in their best interest.
No one chooses to be that way. No one decides to become a pedophile. They may be able to control their actions, but inside, the way they feel they can t stop the desire to do. The only thing left is a biological cause. I even have a guess at where biologically it might be.