> In one study surveying 471 Dutch teens ages 13 to 18, the researchers found that the more often young people sought out online porn, the more likely they were to have a "recreational" attitude toward sex--specifically, to view sex as a purely physical function like eating or drinking.
> [T]he team also found a relationship between porn use and the feeling that it wasn't necessary to have affection for people to have sex with them.
However,
> [R]esearchers can't say for sure whether access to Internet porn causes certain attitudes and behaviors.