"Although psychological therapy may reduce the rate at which sex offenders re-offend, it does not cure them, say researchers from the University of London and the University of Leicester. Even so, psychological therapy, in some cases, has managed to reduce re-offending rates by 40%."
Psychological interventions for treatment of adult sex offendersBrooks
BMJ.2006; 333: 5-6
http://bmj.bmjjournals.com/cgi/content/full/333/7557/5
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