Each time the heart beats, it pumps blood through the brain vessels, causing them to expand slightly and then relax, much like the rise and fall of the blood pulsing through your veins when you feel ...

Researchers at the Mark and Mary Stevens Neuroimaging and Informatics Institute (Stevens INI) at the Keck School of Medicine of USC have developed a brain imaging technique that reveals how tiny blood ...

The brain is not just shaped by books and puzzles; it thrives on movement. Research shows that simple body exercises can ...

Doctors have long been as puzzled as their patients have been alarmed when some unaccustomed exercise causes not only numbness in an arm but faintness and even temporary blindness. Now artery ...