Veins return blood from the rest of the body to the guts. To return blood to the center, the veins within the legs will have to do the job in opposition to gravity. Weakened valves, also called incompetent valves, throughout the veins may possibly result in varicose veins. Normally, Mayo https://www.sgvascularctr.com/varicose-vein-treatment-in-singapore-answers-to-your-most-common-questions/