Why Does Sugar Give Me a Headache?

Does eating sugar give you a headache? The sugar headache, otherwise known as the Holliday Headache (because we eat so much sugar on Easter, Halloween, Christmas and other holidays) has a lot in common with a hangover headache but it strikes any time year when we overdo sugar.

While most have experienced a sugar headache at some time in their lives it is not well known in medical circles. It might even surprise you to learn that the exact causes of all headaches are a bit of a mystery. Migraines and cluster headaches are thought to be vascular (having to do with blood flow) but how blood changes create a headache is unknown; the same is true of the sugar headache.

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