Though it accounts for just two percent of the body’s weight, the brain consumes a whopping 20% of its total energy. To get the energy it needs for more complicated tasks, the brain has evolved a ...

New noninvasive tools reveal that subtle shifts in brain blood flow and oxygen use may mirror key markers of Alzheimer’s risk ...

When blood moves through your body, it exerts a frictional force on the walls of blood vessels. This force, known as fluid shear stress, has important effects on vascular development, function, and ...

Blood flow restriction training—once a niche rehabilitation method used primarily by physical therapists—has quietly transformed into one of fitness’s most intriguing innovations. This technique uses ...