M MEGAMIND New member Nov 29, 2011 #1 I know that it is caused by blood rushing to your head, but it happens constantly to my friend and not even once to me. Does it have anything to do with blood pressure or is there a different cause? Is there any way to prevent it? Thanks
I know that it is caused by blood rushing to your head, but it happens constantly to my friend and not even once to me. Does it have anything to do with blood pressure or is there a different cause? Is there any way to prevent it? Thanks