Jack Black on his early struggles with cocaine use

Jack Black is known for his exuberant energy, but while going through a difficult childhood, Black turned to some dangerous drugs to cope.

Jack Osbourne Celebrates 18 Years of Sobriety

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Jack Black Opens Up About Losing Brother to AIDS, Past Drug Abuse

Long-term opioid abusers suffer from crumbling bones, brain injuries and have little hope of treatment

5 Wild Robert Evans Stories You Should Devour After The Offer

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School of Rock (2003) - IMDb

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Jack Black Confirms 'School of Rock' Cast Will Reunite for 20th Anniversary: 'All Those Kids… Now They're 30 Years Old, jack black

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How Cocaine Turned 'Boyslut' Author Zachary Zane Bisexual