It'd be easy to assume pornography usage leads to sexually violent behavior toward women. After all, a 2010 study published by SAGE Journals analyzed 304 scenes from top-selling pornography videos and found 88 percent of them contained physical aggression. (Which the researchers considered to be spanking, gagging and slapping.) Of those scenes, 49 percent contained verbal aggression, primarily name-calling. The perpetrators were usually male and their targets were overwhelmingly female.

With free porn available to anyone with internet access and a pulse, does the ease of access make for an unfortunate, violent version of monkey see, monkey do? Well, no—or at least, probably not. Dozens of studies have been conducted over several decades, going back to the 1970s, trying to get to the bottom of this question. Consistently, the results