Veins return blood from the rest of the entire body to the heart. To return blood to the heart, the veins in the legs should do the job versus gravity. Weakened valves, also referred to as incompetent valves, in the veins may well result in varicose veins. Mayo Clinic operates https://www.sgvascularctr.com/varicose-vein-treatment-in-singapore-answers-to-your-most-common-questions/