???? ??? ?? ?? ? ????? ? ?? ??? ?? ???? ??? ??? ? ??? ? ??? ? ?? ? ??? ??? ??????.?? ?? ????? ?? ??? ?? ??? ??? ???? ????. A common neurological feature of the problem is impaired myelin manufacturing (dysmyelination). Myelin is really a fatty compound that insulates nerve cells and promotes the rapid transmission of nerve impulses.Launch stress a