<p>I think creative people succumb to experimenting with drugs because they may be looking for new ways to explore their art. When you go to the inner reaches of your mind to play a part to express yourself, getting there chemically can show you the way. It may be temporary and some people get addicted. It seems like a crazy gamble to take, but it happens way too often. </p>
<p>I remember when Heath Ledger was interviewed about Joker role. He said it was hard to get out of the darkness of that role. </p>