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However, sex addiction still isn't diagnosed as an official disorder.
The American Association of Sexuality Educators, Counselors and Therapists (AASECT) refutes the idea.
Up until 2012, researchers and scientists struggled to define what were the symptoms of sex addiction.
The study by UCLA defined sex addiction or hypersexual disorder as 'recurrent and intense sexual fantasies, sexual urges, and sexual behavior,' lasting at least six months.
Comedian Russell Brand, former Sports Illustrated model Amber Smith and Kanye West said they have had issues.
Sex therapist Kate Balestrieri, co-founder of Triune Therapy Group in Los Angeles, said sex addiction is a real issue.
She said: 'Sexuality is not a problem until it becomes a problem.
Scott Disick has said that he is a 'horrible sex addict'.
The father-of-three confessed to his 'condition' earlier this month on Keeping Up With The Kardashians.