Varicose veins are most commonly seen in the legs, but can appear in other parts of the body as well. You can recognize them as swollen and twisted, visible just under the surface of the skin.
Veins are blood vessels that carry blood from the tissues of the body to the heart. Veins have one-way valves that help to keep the blood flowing toward the heart. When the valves don’t work well, blood backs up and pools in the veins. This causes them to swell and become varicose veins.
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