About: http://webisa.webdatacommons.org/73748776

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	But many factors may trigger the headache, such as certain foods, alcohol, or even the hormonal swings of the menstrual cycle.
http://www.w3.org/ns/prov#wasQuotedFrom	dailymail.co.uk