Varicose veins in the legs are caused by weak or damaged vein valves that allow blood to flow backward and pool, leading to bulging veins. Factors like genetics, aging, prolonged standing or sitting, obesity, pregnancy, and hormonal changes increase the risk of varicose veins. Poor circulation and chronic venous insufficiency also contribute to their development. These veins often appear twisted, enlarged, and dark blue or purple on the legs. Maintaining a healthy weight, staying active, and elevating your legs can help prevent varicose veins from worsening.
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