Lifechangers: Battling Addiction

Dr. Drew Pinsky takes on the problems of addiction in "Celebrity Rehab with Dr. Drew" -- now the former "Loveline" doc is taking to the streets of NYC to answer your questions. Is marijuana addictive? What are the signs of alcoholism? Watch the video to find out those answers and more.

What does Dr. Drew have to say about people who are addicted to other people? Click here to find out.