About: http://webisa.webdatacommons.org/301323124

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	rewards from a variety of natural sources, including food and sex, as well as from drugs such as cocaine and amphetamine.
http://www.w3.org/ns/prov#wasQuotedFrom	phys.org