Veins return blood from the remainder of the physique to the center. To return blood to the center, the veins in the legs need to get the job done towards gravity. Weakened valves, also referred to as incompetent valves, throughout the veins may bring about varicose veins. Sclerotherapy entails using https://www.sgvascularctr.com/varicose-vein-treatment-in-singapore-answers-to-your-most-common-questions/