About: http://webisa.webdatacommons.org/206891421

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	Numerous studies have found that breathing secondhand smoke is a cause of disease in healthy nonsmokers, including heart disease, stroke, respiratory disease, and lung cancer.
http://www.w3.org/ns/prov#wasQuotedFrom	ucla.edu