About: http://webisa.webdatacommons.org/335277787

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	He speculated that it could be related to protection from any ill effects of environmental toxins, like air pollution, or exposure to bacteria or other infectious agents.
http://www.w3.org/ns/prov#wasQuotedFrom	parentingweekly.com