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Are Varicose Veins Dangerous?

Understanding Varicose Veins and Their Causes Varicose veins are enlarged, twisted veins that appear most commonly in the legs and feet. They are caused by weak or damaged valves in the veins, which can result in poor circulation and the accumulation of blood. This leads to the bulging and twisting of the veins, creating the appearance of varicose veins. Several…