Stress is often considered an emotional state that affects the mind. However, chronic stress can lead to a number of ...

Every day, your heart pumps about 10 pints of blood 60,000 miles around your body through your circulatory system. That system is made up of blood vessels, the tubes that carry blood throughout your ...

Reduced blood flow can cause unpleasant symptoms, such as pain, muscle cramps, numbness, digestive issues and coldness in the hands or feet. In addition to those with poor circulation, athletes and ...

Speckle contrast is a promising approach to assessing blood flow, developed to capture images of laser light scattered from blood vessels with affordable optical sensors and components. The study ...