Reduced blood supply to the brain can result in what?

Brain: Stroke, shock, heart attack, dementia, fainting, to name a few.

Ultimately STROKE: The brain is the cpu of our human body controlling its ability to comprehend speach, assimilate words, see, hear, swallow, coordinate movement and assimilate tactile feeling from our environmnt. Like any organ, just as the engine of a car needs gas 2 work, if circulation is compromised then the ability of that organ to function properly can also be compromised - occnl transient or may b permanent.