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Objective
To examine whether cannabis use predicts medication overuse headache (MOH) in patients with chronic migraine (CM).
Methods
Electronic chart review was conducted by combining the terms “CM,” “medication overuse,” “cannabis,” “cannabidiol,” and “tetrahydrocannabinol” for patients seen at our headache clinics from 2015 to 2019. Of 729 charts consecutively screened, 368 met our inclusion...
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