An aggressive drug-testing program would cut down on certain abuses, but its never going to catch everyone - or even close to everyone.
“I've been acting since I was six. I actually played a boy when I was six in 'Tommy.' I played Tommy and they put a wig on me. They put up my hair and put this little boy wig on me and that was my first acting experience. Then I did some other professional theater. I did Shakespeare when I was older.”