About: http://webisa.webdatacommons.org/191903559

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	According to this theory, children who grow up in environments that are very clean develop allergies and other immune disorders because their immune systems have not had enough experience with friendly visitors or dangerous invaders.
http://www.w3.org/ns/prov#wasQuotedFrom	aboutkidshealth.ca