Original sentence: According to proponents of the sexual addiction concept, sexual addicts use widely varying activities.According to proponents of the sexual addiction concept, the prevalence of sexual addiction is not accurately known, in part because addicts are secretive.However, it is claimed to be commonly seen in combination with other addictions as well as mood and stress disorders.However, others are doubtful as to whether sexual addiction exists, or whether the term itself is a useful or meaningful concept for describing human sexual behavior
Edited sentence: According to proponents of this concept, sexual addicts use widely varying activities.According to proponents of this concept, the prevalence of sexual addiction is not accurately known, in part because addicts are secretive.However, it is commonly seen in combination with other addictions as well as mood and stress disorders