About: http://webisa.webdatacommons.org/279377854

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	Conversely, opiate drugs such as heroin or morphine produce increases in expressions of pleasure but do not greatly alter seeking behaviors.
http://www.w3.org/ns/prov#wasQuotedFrom	wikipedia.org