About: http://webisa.webdatacommons.org/429040337

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	True, there are many factors that did not exist before this time, such as radiation, new chemicals and toxins.
http://www.w3.org/ns/prov#wasQuotedFrom	acupuncturetoday.com