Veins are slender-walled vessels that perform to return blood back again to the guts. The veins inside the legs have to have to move blood against gravity to meet their functionality and they depend upon two mechanisms to achieve this: Varicose veins are twisted, enlarged veins beneath the surface area https://www.sgvascularctr.com/varicose-vein-treatment-in-singapore-from-the-perspective-of-a-vascular-surgeon/