About: http://webisa.webdatacommons.org/24122659

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	Typically, free radicals are produced either when the body breaks down food or when you are exposed to environmental hazards, such as tobacco smoke or radiation.
http://www.w3.org/ns/prov#wasQuotedFrom	medicaldaily.com