In the past several decades, researchers have spent continuous efforts on exploring how sexual content in the media influences individuals' perceptions of sex, marriage, and rape. Among these sexual content in the media, pornography has been a big business, generating $13 billion just in the U.S. in 2006. Researchers have reached agreement on some effects of sexual content in the media, such as arousal and some attitudinal effects. However, there is still an argument on whether the Catharsis effects resulting from the sexual media content.