Actor Robert Downey Jr was introduced to drugs at age 6 by his father

'Iron Man' star Robert Downey Jr (right) reveals that he was introduced to drugs by his father, Robert Downey Sr (left), when he was a child. Photo: Handout

Robert Downey Jr recently opened up about his relationship with his late father, Robert Downey Sr, in the new Netflix documentary, Sr.

At one point in the father-son film, the 57-year-old Iron Man star addressed his past addiction and revealed that his father introduced him to drugs when he was six years old.