I have a hard time believing excess drugging is a career killer. There are plenty of girls who were at the peak of their porn careers while they were their most stoned. Sierra Sinn is a prime example.

Amber Lynn in After Porn Ends admits: "... you know, I was the kind of person - I lived a life of excess and people would invite me to parties and they would think: 'Wow, if I offer her some party tools, then I'm gonna have my night set up; I'm gonna wind up getting laid all night by this beautiful pornstar.' And then, as my addiction went through another door, they'd hand me the bag of coke and I'd wind up in the bathroom all night, you know... and you wouldn't be able to drag me out of the bathroom and I'd be like: 'Don't touch me and [non-verbal] ..."