Interesting science article related to it, especially the last section: http://cmbi.bjmu.edu.cn/news/0401/78.htm

Another science report I really liked: http://firstnerve.com/2009/03/basic-...r-and-sex.html

Here's a Drama/English? paper that's interesting?: http://pages.uoregon.edu/jlesage/Jul...APETHREAT.HTML