About: http://webisa.webdatacommons.org/68515663

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	Cluster headaches are a neurological condition that cause extremely painful headaches, similar to a severe migraine, and affects about 0.1 percent of the population.
http://www.w3.org/ns/prov#wasQuotedFrom	rawstory.com