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1-2 caffeinated drinks not linked with higher risk of migraines; 3+ may trigger them

August 8, 2019

In a study published today in the American Journal of Medicine, researchers at Beth Israel Deaconess Medical Center (BIDMC), Brigham and Women’s Hospital and the Harvard T.H. Chan School of Public Health (HSPH) evaluated the role of caffeinated beverages as a potential trigger of migraine. Led by Elizabeth Mostofsky, ScD, an investigator in BIDMC’s Cardiovascular Epidemiology Research Unit and a member of the Department of Epidemiology at HSPH, researchers found that, among patients who experience episodic migraine, one to two servings of caffeinated beverages were not associated with headaches on that day, but three or more servings of caffeinated beverages may be associated with higher odds of migraine headache occurrence on that day or the following day.

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