Veins return blood from the remainder of the overall body to the center. To return blood to the center, the veins while in the legs have to work from gravity. Weakened valves, also called incompetent valves, within the veins could possibly induce varicose veins. The veins around the anus often https://www.sgvascularctr.com/varicose-vein-treatment-in-singapore-answers-to-your-most-common-questions/