About: http://webisa.webdatacommons.org/3220918

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 other factors, such as stress, pollution, noise, smoke, flashing lights and certain types of food may also cause headaches.
http://www.w3.org/ns/prov#wasQuotedFrom	health24.com