About: http://webisa.webdatacommons.org/368578042

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	It is just assumed.A much more likely explanation for the relationship they report comes from the fact that it is mostly the poor who smoke these days and poor people have worse health in general.
http://www.w3.org/ns/prov#wasQuotedFrom	blogspot.com