Veins return blood from the rest of the physique to the center. To return blood to the guts, the veins from the legs will have to do the job towards gravity. Weakened valves, also known as incompetent valves, within the veins could possibly trigger varicose veins. Deep vein thrombosis improves https://www.sgvascularctr.com/varicose-vein-treatment-in-singapore-answers-to-your-most-common-questions/