About: http://webisa.webdatacommons.org/18874858

Property	Value
http://www.w3.org/1999/02/22-rdf-syntax-ns#type	http://www.w3.org/ns/prov#Entity
http://www.w3.org/ns/prov#value	Age of first use and chronic marijuana use among young people have also proven to be important risk factors for mental illnesses, including addiction.
http://www.w3.org/ns/prov#wasQuotedFrom	steamboattoday.com