Increased dietary fiber intake is associated with a decreased incidence of migraine, according to a study. Hao Huang examined the association between dietary fiber intake and the prevalence of severe headache or migraine using data from the National Health and Nutrition Examination Survey (1999 to 2004). The researchers found that after adjusting for covariates, there was a significant inverse association seen between dietary fiber intake and severe headache or migraine, with the lowest prevalence observed in the fifth quintile (odds ratio, 0.74). For every 10-g/day increase in dietary fiber intake, the prevalence of severe headache or migraine decreased by 11...