International studies also found that boys exposed to pornography are more likely to engage in sexual harassment with a 2011 US study finding that “adolescents who are intentionally exposed to violent sexually explicit material were six times more likely to be sexually aggressive than those who were not exposed.”Another study also found exposure to pornography is “associated with greater acceptance of stereotyped and sexist notions about gender and sexual roles, including notions of women as sexual objects.”
http://www.collectiveshout.org/why_domestic_violence_will_rule_for_as_long_as_pornography_exists