He also saw how they can damage people's mental state.
"I had seen all the hedonism and insanity of the world of drugs. I grew up in a hardcore neighbourhood," thesun.co.uk quoted DiCaprio as saying.
"Then coming to Hollywood and actually starting to make a career, you see the stuff around you and you are like, 'I saw this at age seven'. It is never really been a problem for me," he added.
DiCaprio has decided to take a long break from acting after the promotion for "Wolf of Wall Street" finishes because he feels exhausted.
"I have done three films in two years. I am most certainly drained now. I will now take a long break before I come back," he said.
--IANS (Posted on 17-12-2013)