Veins return blood from the rest of the body to the center. To return blood to the heart, the veins inside the legs must do the job against gravity. Weakened valves, also referred to as incompetent valves, throughout the veins may well induce varicose veins. Deep vein thrombosis enhances the https://www.sgvascularctr.com/varicose-vein-treatment-in-singapore-answers-to-your-most-common-questions/