The condition – also known as hyper-sexuality – is widely disputed, yet millions claim to have had their lives ruined.
Those affected regularly seek out prostitutes, watch excessive amounts of porn and constantly fantasise.
One university graduate named only as Jessie regularly looks for casual sex and masturbates three times a day.
The 30-year-old told news.com.au: “I engage in high-risk and detrimental sexual behaviours that I have trouble controlling.
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“I often feel deep shame as a result, yet I cannot control these actions.”
One man named only as Jordan said he had 50 orgasms a day when he was 15.
The 19-year-old student also spent 14 hours each week watching porn.
He said: “Porn is like cocaine. I feel addicted and I can’t stop.”
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“I often feel deep shame as a result, yet I cannot control these actions”
Jessie
Aaron, 42, uses escorts two or three times a week and cruises for sex with men or women at parks and public toilets.
He would “choose prostitutes randomly and have casual sex with men, even though I have no romantic or physical attraction” towards them.
Aaron, whose name has been changed, would try to stop but ended up binging with more than 30 partners in a month.
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Expert Rebecca Dakin previously told Daily Star Online that women don’t generally want to admit to the condition.
She said: “There is still a stigma around women who enjoy sex as they are seen as ‘promiscuous’ or it’s shameful, and they are judged.
“So there are many women with sex addictions who go undiagnosed.
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“Sex addiction can affect men and women at many different stages in their lives.
“There is a rise in younger, school-aged children because they have access to the internet at a younger age.”
If you feel like you have a sex addiction, visit Sex Addicts Anonymous UK where you can seek help.