About: http://webisa.webdatacommons.org/300929199

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	Cigarette smoke release a chemical called, ???acetaldehyde??? that causes aging, especially of the skin.
http://www.w3.org/ns/prov#wasQuotedFrom	ygoy.com