Peripheral artery disease (PAD) and chronic venous insufficiency (CVI) both affect your blood vessels and prevent your body from getting the oxygen-rich blood that it needs. The difference between the ...

The circulatory system is a complex collection of the heart and its many chambers, and the vessels that move blood around the body. At first glance, it can be difficult to grasp. Whether you have an ...

Vasoconstricting and vasodilating medications work in different ways. While vasoconstricting medications tighten your blood vessels to raise blood pressure, vasodilating medications dilate or widen ...