It is estimated that about 40% of Americans have chronic venous insufficiency. This common condition occurs when the vein walls in the legs do not function properly, causing the blood to accumulate. Since the blood cannot flow back to the heart, it can cause swelling, aching, itchiness, and skin changes. Left untreated, the pressure can cause the tiny blood vessels to burst, resulting in further complications. What Causes Venous Insufficiency? Venous insufficiency develops when the valves or ... [Read More]