Whatever that may be! Worms? Spaghetti? This is the cerebrovascular circulation.
The brain is THE organ--up to 25% of our glucose and oxygen intake goes first to the brain--always at the expense of all other organs and functions.
Vascular structures have pain sensors, so many of our headaches (migraines especially) come from changes in vascular tone . In case you have forgotten, brain tissue itself has no nerve endings and therefore feels no pain.
There is no such thing as a cerebrovascular (or any other kind of, really) "accident". All events are predictable at some level of statistical likelihood. Strokes--the more proper name for circulatory insults to the brain--have several causes, the most common being atherosclerotic blockage of the carotid arteries. As proven in the recent case of the junior senator from Illinois, you are never too young to be concerned about the health of your blood vessels (he is only 52). Be good to ALL your vessels--keep your weight and cholesterol level down and your exercise up. (And there are no magic foods that prevent strokes, including fish oils.)
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