Twenty-eight-year-old Gemma Massey is one of the UK's few international porn stars, appearing in big budget adult movies filmed in Los Angeles.
The former dental nurse moved into the industry after a long spell as a Page 3 girl in British tabloids and men's magazines.
She answers questions from Newsbeat listeners about her job and her lifestyle.
Story update 18 January 2012: This video was recorded in April 2011 and appeared online as part of a detailed piece of journalism (see link below) drawing on NHS research exploring attitudes towards porn and the dangers in its use for people aged 18-24.
Please be advised the video contains adult subject matter.