Harvard Health Letter

How many caffeine servings trigger migraine headaches?

News briefs Last month we told you about new medications to treat migraine headaches. Now a small Harvard study published Aug. 8, 2019, in The American Journal of Medicine offers a reminder about the importance of limiting migraine triggers. For six weeks, 100 adults with frequent migraines were asked to record daily intake of caffeinated coffee, tea, soda, and energy drinks; alcohol intake; activity levels; stress; and sleep times. They also recorded their headache…

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