<http://schema.org/caption>
"18. Chronic marijuana use, especially in a very young person, may also be a marker of risk for mental illnesses - including addiction - stemming from genetic or environmental vulnerabilities, such as early exposure to stress or violence. Currently, the strongest evidence links marijuana use and schizophrenia and/or related disorders."^^<http://www.w3.org/2001/XMLSchema#string>
<http://www.wgal.com/article/25-facts-about-marijuana/6156022>