.... “but there has definitely been an increase in schizophrenia and psychotic episodes, brought on by drug use.”
I agree...legal and illegal drug use.
http://www.cchr.org/videos/psychiatrys-prescription-for-violence.html
front page story, local Sunday paper:
Hooked on opiates: More legal use leads to more addiction, crimes, deaths
http://www.twincities.com/localnews/ci_22195739/hooked-opiates-more-legal-use-leads-more-addiction