Bluish hands, known as peripheral cyanosis, can be a harmless response to cold but may signal poor circulation or serious heart and lung issues if persistent. While cold exposure is common, conditions ...

Your blood vessels form an incredible network—about 60,000 miles of arteries, veins, and capillaries that deliver oxygen and nutrients to every cell in your body. While you can’t see this internal ...

Low blood pressure, or hypotension, can be dangerous as it impairs oxygen delivery to vital organs. When mean arterial ...

Researchers from the Skolkovo Institute of Science and Technology and Saratov State University have come up with an inexpensive method for visualizing blood flow in the brain. The new technique is so ...

Researchers at NYU Langone Health discovered that cutting off blood flow accelerates cancer growth by prematurely aging the bone marrow and weakening the immune system. In mouse models, restricted ...

Researchers have, for the first time, visualized the full network of blood vessels across the cortex of awake mice, finding that blood vessels rhythmically expand and contract leading to 'waves' ...