The calf muscles, comprising the gastrocnemius and soleus, are often referred to as the body’s “second heart” because of their critical role in promoting blood circulation. Every time we walk, stand, ...

With each heartbeat, blood courses through your body. Some traverse arteries from the lungs back to the heart, and some navigate through capillaries in the thinnest layers of your eyelid, almost ...

A newly developed imaging method blends ultrasound and photoacoustics to capture both tissue structure and blood-vessel function in 3D.

A joint research team led by Professors Jaesok Yu, Hoejoon Kim, and Sanghoon Lee of the Department of Robotics and Mechatronics Engineering at the Daegu Gyeongbuk Institute of Science and Technology ...

When you start moving, your heart rate spikes, blood flow changes, and your brain becomes more alert. A woman begins her morning workout, a critical time when the body and brain rapidly adapt to meet ...

Stress does not always show up as anxiety, restlessness, or sleepless nights. Sometimes, it settles quietly into the body. One place it often affects without warning is blood circulation. Cold hands.

Reduced blood flow to the brain is thought to be a key factor in many forms of dementia, including Alzheimer's, and ...