Sexual addiction is the concurrent engagement in sexual activity despite adverse effects. These adverse effects could include interferences with work and relationship-based commitments and possibly engaging in risky sexual activity. These activities include participation in extramarital affairs, visiting sex workers as well as practicing unsafe sex. Pornography addiction is subset of sexual addiction which involves the persistent use of pornographic material despite negative consequences which can be both physiological and psychological. Pornographic material is viewed often to the point of social exclusion from others.