Veins carry blood from your body back to the heart, so it can be re-circulated. The leg muscles contract to help “pump” the blood upward and the veins each have tiny valves inside to keep blood flowing in the right direction; these VALVE are “one-way” and keep blood from flowing backward. A malfunction in one or more of these valves leads to venous insufficiency. Many circumstances related to your health or lifestyle can lead to your veins becoming stretched out. This makes it harder for the VALVES in the vein to do their job. Blood can’t flow backward and pools in the vein, causing it to become swollen. They are almost always the result of an incompetent saphenous vein, meaning that the one-way valves do not close properly, causing the blood to “leak” back down the saphenous vein. This is called venous insufficiency.
Venous-Insufficiency
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