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Accоrding tо the MedicаlDаily.cоm аrticle "Watching Adult Films Alters Brain Activity Similar To Drug Addicts, Alcoholics" in Canvas, watching pornographic films can lead to a decrease in activity in the brain's reward center, a decrease in gray matter volume in a particular region of the brain, and a desire to watch pornographic films rather than engage in a true sexual experience. Click here for article: http://www.medicaldaily.com/watching-adult-films-alters-brain-activity-similar-drug-addicts-alcoholics-347224