Every year, millions of people around the world suffer ischemic strokes that block blood flow to a region of the brain.

Blood vessels, especially micro-vessels ... They imaged the brains of young and old mice to chart vasculature changes across the brain with normal aging. "Because we're doing high-resolution ...

The systolic number represents BP in blood vessels when a heart beats. The diastolic number is the pressure in blood vessels between beats, when the heart is at rest. Blood pressure is not always ...

Inside you, there is an amazing network of blood vessels, the tubes that carry blood all around your body. Every part of the body needs oxygen, food and water. The blood vessels are a bit like ...