British rocker Pete Doherty has opted for anti-heroin implants for the sake of his and girlfriend Kate Moss's children.

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In an interview with Vanity Fair, the 26-year-old frontman for the Babyshambles said supermodel Moss had saved his life by making him see what his heroin and crack cocaine use was doing to their two children.

He has a son with Lisa Moorish and Moss has a daughter with her ex, Jefferson Hack.

"I was fixing up, shooting white, shooting brown, and then entering a relationship -- I mean (Kate) saved my life and, really, I had to choose," Doherty said. "Drugs are a very selfish thing."