About: http://webisa.webdatacommons.org/343012665

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	Although free radical oxygen atoms are by-products of many normal chemical reactions within the body, free radicals are also formed from smoking, pollution, alcohol, stress and other environmental factors.
http://www.w3.org/ns/prov#wasQuotedFrom	happi.com