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Ardet_Nec_Consumitur t1_j9xd22t wrote

Reply to comment by wewora in Researchers have found the genetic links between headaches, migraines and blood sugar levels, which ultimately could lead to targeted treatments for patients by giuliomagnifico

>Caffeine actually makes your blood vessels constrict

caffeine is a vasodilator. However, dependency (or going cold turkey) on it causes the vasoconstriction

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JaelPendragon t1_j9y6rak wrote

It acts as a vasoconstrictor to the blood vessels in the head, it produces cerebral vasoconstriction by antagonizing adenosine receptors

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Ardet_Nec_Consumitur t1_j9y6ufp wrote

Ok I'll take your word for it. But do you have any idea why drinking coffee or taking caffeine tablets completely removes my migraine? I mean in the moment when I experience the onset of a migraine, I just consume caffeine and it disappears!

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JaelPendragon t1_j9y7khz wrote

Probably because your migraines are due to vasodilation, caffeine will antagonize that and restore a pain free vascular state. For what it's worth, I experience if not the same a similar situation as yours

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