About: http://webisa.webdatacommons.org/223411250

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	Secondhand smoke is a proven health hazard, leading to heart disease, lung and other cancers, chronic lung disease and even premature death.
http://www.w3.org/ns/prov#wasQuotedFrom	upmc.com