Actor Robert Downey Jr. is one of the most notable and inspiring cases for sobriety. He spent most of his early career under the influence leading to high profile arrests and a string of rehab visits.
His addiction started during childhood and included a variety of drugs. At one point, he decided it was time to get sober and joined a drug detox and drug rehab program to help.
Now, Robert Downey Jr. credits sobriety for his continued success as an actor.