Eli5: What exactly is happening when you get a headache
In: 84
A headache is complex,its merely just a body showing that its haveing a problem. it can be due to increase pressure in the head or something mroe common like a migraine which we call a primary headache(not due to another cause like blood pressure which we call secondary)
the thing is we really dont understand much about how primary headache works, sure we have theories about the ion channels being affected and affecting the vesselsin the end yada yada but the truth is we still dont fully understand it yet to say exactly what happens in one
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