It was during "The White Album" sessions in 1968, both John and his then constant companion Yoko Ono both became addicted to heroin, snorting it, never injecting it, according to Lennon. They didn't completely "clean-up" either, both apparently relapsing several times over the years. From The Beatles "White Album," Lennon's "Happiness is a Warm Gun", "I need a fix coz I'm going down" 1968..."Cold Turkey"/Plastic Ono Band 1969 John Lennon Heroin