thanks for your replies

Yes, i consume alcohol frequently in my adolescent years but did not have problems like headaches.

to be more clear,

except that two rapid head movements, i do not have any history of head impacts

that rapid movements was intense. however, i don't know how big acceleration is enough to call it intense. 3G, 4G ?? and even if i know it, i don't have chance to measure the acceleration forces in that movements.

all i want to know whether my intolerance to getting drunk has something to do with that rapid movements and if so, my brain is damaged irreversibly or not. Is there a way to know this ?

By the way, this alcohol intolerance thing have started in Christmas(at least i realized it then). After that, i have tension-type headaches one and half week. And now, whenever i drink more than four bottles of beer, i have headaches for 4-5 days(mostly in the top of the head, dull pressure). So, i tried staying away from alcohol for a while, but it seems nothing is changed.