<http://webisa.webdatacommons.org/428888657>	<http://www.w3.org/ns/prov#value>	"Positive or enjoyable activities such as eating, sex, or drug use are directly related to releasing dopamine." .
<http://webisa.webdatacommons.org/prov/328479902>	<http://www.w3.org/ns/prov#wasDerivedFrom>	<http://webisa.webdatacommons.org/428888657> .
<http://webisa.webdatacommons.org/428888657>	<http://www.w3.org/1999/02/22-rdf-syntax-ns#type>	<http://www.w3.org/ns/prov#Entity> .
<http://webisa.webdatacommons.org/428888657>	<http://www.w3.org/ns/prov#wasQuotedFrom>	<wisegeek.com> .