At the most basic level, what mechanism is makes your head hurt?
In: Biology
Your run of the mill hangover, dehydrated or tension headaches have their own reasons.
I can speak on my type of headaches, called cluster.
From what I was told by DR, it is caused by a certain nerve that is too close to a blood vessel. When that vessel expands, it bumps into the nerve, causing the major pain.
Expansion of the blood vessel(and the narrowing) can be caused by a many number of things.
Latest Answers