About: http://webisa.webdatacommons.org/364647341

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	However although muscle tension may be involved, there are many forms of tension headaches and some scientists now believe there is not one single cause for this type of headache.
http://www.w3.org/ns/prov#wasQuotedFrom	tipsandtreats.com