Leg Varicose Vein Symptoms And Prevention Tips

Leg Varicose Vein Symptoms And Prevention Tips The term most commonly used to describe large, bulging veins on the leg varicose vein. The veins of the leg have valves, called leaflet valves that prevent the blood from flowing backward and help the leg muscles pump the blood from the legs back to the heart. Varicose veins develop when these leaflet valves get weak, do not work they way they should and then start to let the blood flow backward causing pain and swelling in the lower leg

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