Why are migraines worse during your period? Study points to progesterone, offering a new treatment target

often accompanied by nausea and increased sensitivity to light, sound and touch. Nearly 30 million Americans suffer from migraines, and almost 1 in 4 of them have at least four severe attacks each month. Three times as many women suffer from migraine headaches as men, and this disparity is even more pronounced during reproductive years.

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