How much can we blame our genes for addictive behavior?
The Oscar-nominated actor Robert Downey Jr., star of countless films including Chaplin, the Iron Man series, Tropic Thunder and Zodiac, started making movies when he was just five years old. He’s also famous for his descent into drug addiction, which he says started even earlier than age five. Downey has told a number of interviewers that he believes he has an addictive personality, […]