About: http://webisa.webdatacommons.org/287429700

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	The leading theory on headache, migraine or otherwise, is that it is related to changes in blood flow to the brain (both increased and decreased flow ??? all that counts is that there is a change).
http://www.w3.org/ns/prov#wasQuotedFrom	indoorcycleinstructor.com