It is a common complaint of people with chronic venous insufficiency (CVI): The legs feel painful, cramped, and swollen. It’s very difficult to go about your day if you have these symptoms. Chronic venous insufficiency is due to poor blood flow in the veins. The veins are supposed to carry the “used” blood from the cells back to the heart and lungs for reoxygenation, but in this condition there is a malfunction of some of the valves in the veins. These tiny valves push the blood back toward ... [Read More]