Editing Migraine (section)

====Physiological aspects====
Common triggers quoted are stress, hunger, and fatigue (these equally contribute to [[tension headaches]]).<ref name=Trigger09/> Psychological stress has been reported as a factor by 50–80% of people.<ref name=Rad2013>{{cite journal | vauthors = Radat F | title = [Stress and migraine] | journal = Revue Neurologique | volume = 169 | issue = 5 | pages = 406–12 | date = May 2013 | pmid = 23608071 | doi = 10.1016/j.neurol.2012.11.008 }}</ref> Migraine has also been associated with [[post-traumatic stress disorder]] and abuse.<ref>{{cite journal | vauthors = Peterlin BL, Katsnelson MJ, Calhoun AH | title = The associations between migraine, unipolar psychiatric comorbidities, and stress-related disorders and the role of estrogen | journal = Current Pain and Headache Reports | volume = 13 | issue = 5 | pages = 404–12 | date = October 2009 | pmid = 19728969 | pmc = 3972495 | doi = 10.1007/s11916-009-0066-1 }}</ref> Migraine episodes are more likely to occur around [[menstruation]].<ref name="Rad2013"/> Other hormonal influences, such as [[menarche]], [[oral contraceptive]] use, [[pregnancy]], perimenopause, and [[menopause]], also play a role.<ref name=Chai2014>{{cite journal | vauthors = Chai NC, Peterlin BL, Calhoun AH | title = Migraine and estrogen | journal = Current Opinion in Neurology | volume = 27 | issue = 3 | pages = 315–24 | date = June 2014 | pmid = 24792340 | pmc = 4102139 | doi = 10.1097/WCO.0000000000000091 }}</ref> These hormonal influences seem to play a greater role in migraine without aura.<ref name = "Rasmussen_2006" /> Migraine episodes typically do not occur during the [[second trimester|second]] and [[third trimester]]s of pregnancy, or following menopause.<ref name=Amin2009/>