Letter to Editor


1 Medical Student Research Center, Isfahan University of Medical Sciences, Isfahan, IR Iran

2 Department of Statistics, Allameh Tabatabai University, Tehran, IR Iran

3 Middle East Liver Diseases Center, Tehran, IR Iran


Migraine, defined as a recurrent unilateral pulsatile headache, which is usually accompanied by nausea, vomiting, phonophobia, and photophobia, is a major cause of chronic headaches. It has been ranked the eight most disabling disorder, and its prevalence is higher in females (17% vs. 6%) (1)