Treatment is already required by parole boards in several countries, but some feel the practice is unethicalThousands of sex offenders in England and Wales could get libido-suppressing drugsFor some prisoners with problematic sexual arousal (PSA), “images of sex flood their minds” all of their waking hours, according to Prof Belinda Winder, a leading forensic psychologist who has evaluated the use of drugs to control libidos.“I remember talking to one guy a few weeks after he started takin