addiction and substance abuse

His films like 'Requiem for a Dream' and 'The Wrestler' provide visceral, unflinching examinations of addiction's psychological and physical destruction.

'Trainspotting' and its sequel remain definitive cinematic explorations of heroin addiction, youth culture, and the struggle for recovery with raw authenticity.

His meditative approach to substance abuse in films like 'Flowers of Shanghai' examines addiction as both personal tragedy and social commentary with poetic restraint.