Scientists at the University of Montreal launched a search for men who had never looked at pornography - but couldn't find any.
Researchers were conducting a study comparing the views of men in their 20s who had never been exposed to pornography with regular users.
But their project stumbled at the first hurdle when they failed to find a single man who had not been seen it...

“Not one subject had a pathological sexuality,” he said. “In fact, all of their sexual practices were quite conventional.
“Pornography hasn't changed their perception of women or their relationship, which they all want to be as harmonious and fulfilling as possible,” he added.
http://www.telegraph.co.uk/women/sex/6709646/All-men-watch-porn-scientists-find.html