Republicans are calling porn a 'public health crisis,' but is it really?

http://edition.cnn.com/2016/07/15/health/porn-public-health-crisis/index.html?iid=ob_homepage_showcase_pool

The conservative party seems to be conservative also about sex.
They have to get statistics whether adolescents who have watched violent porn videos are more likely to commit a sex crime or not.
It will be an answer for disputing regulation of porn videos.