The human circulatory system represents an intricate network of vessels that extends throughout the entire body. This complex arrangement of arteries, veins, and capillaries works continuously to ...

Get to know the functions of your heart, blood vessels, and blood itself and how they work together to maintain your health.

Varicose veins, are swollen, bulging, twisted veins visible just beneath the skin that afflict millions of people. Here's ...

High cholesterol can be dangerous to your health because it reduces blood flow and increases the risk of heart attack and ...

Dr. Nisha Bunke, the medical director at La Jolla Vein & Vascular, said she would never ignore skin discoloration and itching around the ankles and lower legs, as this change can be a sign of a ...

An arteriovenous malformation (AVM) is a tangle of blood vessels. It can develop anywhere in the body, but it presents the most risk when it occurs in the brain or spinal cord. An AVM can result in ...

An arteriovenous fistula (AVF) is an abnormal joining of an artery and a vein. If an AVF is affecting health, early treatment can help prevent complications. An AVF occurs if an artery connects to a ...

I lay on the bed of the CT scan at the Heart Hospital of Austin looking up at the ceiling as it moves into the CT tunnel. A voice through the speakers tells me to breathe in, hold my breath, then ...

Long-term use of electronic cigarettes (e-cigs), or vaping, can significantly impair the function of the body's blood vessels, increasing the risk for cardiovascular disease. Additionally, the use of ...

Genetic research in Sweden has unveiled three new gene variants that dramatically increase the risk of venous blood clots, sometimes by up to 180%. These discoveries build on existing knowledge of ...

The Centers for Disease Control and Prevention estimates that 900,000 people are affected by blood clots each year, and 100,000 of those affected die as a result. The most common type of blood clot is ...