Weather, ambient air pollution, and risk of migraine headache onset among patients with migraine

Migraine is a common recurrent headache disorder affecting 14% American adults. Although weather and air pollution are often reported by patients with migraine as precipitating factors, previous studies have had mixed results. We prospectively collected migraine headache onset data using electronic questionnaires from 98 adults with episodic migraine in the Greater Boston area (2016–2017). Each participant was followed for an average of 45 days...