A debate's been raging about how to think about blood pressure in the brain when the head is up. But the head is USUALLY up. It likes being up. It spends 2/3 of its life up. And nature does its part to make sure that what's normal is also healthy for your brain. Download the more general "Main Lecture" and the more detailed "History of the "Starling Resistor" and "Vascular Waterfall" (PowerPoints).