The human heart is similar to a pump that maintains the circulation of oxygenated blood in the body. But sometimes, due to structural problems, blood may flow in the wrong direction inside the heart.

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 ...

Cutaneous blood flow and microcirculation underpin critical physiological processes including thermoregulation, nutrient delivery and immune defence. The skin’s vascular network, comprising ...

Poor blood flow affects millions of adults and often worsens the older we get. Circulation problems may lead to discomfort in the hands and feet due to numbness and tingling muscle cramps and even ...

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 ...