About: http://webisa.webdatacommons.org/166762673

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	They are caused by genetic defects as well as injuries and are aggravated by such conditions as obesity and joint overuse.
http://www.w3.org/ns/prov#wasQuotedFrom	nih.gov