I really am not sure. I hazard a guess that if a mother is a heavy drinker during pregnancy, then it can affect brain development.....

However, I didn't drink a sip during pregnancy and a child of mine has been diagnosed as ADD. He also has some sort of learning disability associated with being able to watch people perform actions and then follow them. For example, he was many years in being able to learn to tie shoes.

He perceives himself as a bit obsessive-compulsive. You might read another thread on here about someone who is wondering about that!

He wasn't particularly bullied, unless he just didn't tell me about it. But kids do tend to pick on someone they perceive as different sometimes.....