Researchers have uncovered how fluctuations in blood flow that occur when there is a narrowing in the arteries contribute to harmful inflammation and blood clot formation, revealing the critical role ...

Cerebrovascular diseases such as atherosclerosis and stroke remain a major cause of morbidity and mortality worldwide. A common feature of these diseases is vascular stenosis, i.e., the narrowing of ...

Caltech and the Keck School of Medicine of USC have developed a new laser-based headset device that can noninvasively measure blood flow and volume. Caltech postdoctoral scholar Simon Mahler is shown ...

All day long, our brains carry out complicated and energy-intensive tasks such as remembering, solving problems, and making decisions. To supply the energy these tasks require while conserving this ...

Even while we are asleep, the brain does not rest completely. Surprisingly, the blood flow in a sleeping brain can be greater than when it is in a wakeful state. This allows the brain to remove waste ...

For more than a century, scientists have known that blood vessels can rhythmically contract and relax in a process called vasomotion. In the brain, these subtle oscillations are thought to help ...

A blood clot is a potential complication after surgery. To help prevent blood clots, a doctor may advise doing exercises to promote blood flow, wearing compression garments, and taking blood-thinning ...