Veins return blood from the remainder of the system to the guts. To return blood to the center, the veins in the legs ought to get the job done versus gravity. Weakened valves, also known as incompetent valves, in the veins may possibly result in varicose veins. Quite possibly the https://www.sgvascularctr.com/varicose-vein-treatment-in-singapore-answers-to-your-most-common-questions/