<http://schema.org/about>
"The idea that someone can have a sex addiction has been controversial, but a new study suggests that it is a real disorder, and lays out rules that could be use"^^<http://www.w3.org/2001/XMLSchema#string>
<http://www.mnn.com/health/fitness-well-being/stories/sex-addiction-is-real-disorder-study-finds>