Hollywood star Michael Douglas says he found his son Cameron's drug addiction and incarceration ''very painful and difficult''.
Cameron, whose mother is the "Wall Street" actor's first wife Diandra, was jailed for drug possession in 2010 and had his sentence almost doubled in 2011 after he was found trying to sell prescription pills to other inmates.
He was released in 2016 following lengthy stints in solitary confinement and the veteran actor is pleased he has finally turned his life around.
''My son's struggle was a nightmare. It was stressful for all involved, very painful and difficult.
"He has been out of prison a year and a half and he is actively pursuing his career. I am happy to say he is in wonderful shape now," Douglas told Radio Times magazine.
The 73-year-old star also has Dylan, 17, and 15-year-old Carys with wife Catherine Zeta-Jones.
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