If these valves are weak or broken, blood can flow backward and pool inside the veins, leading to the veins to stretch or twist. Varicose veins are bulging, enlarged veins. Any vein that's near the pores and skin's area, known as superficial, may become varicosed. Varicose veins most often have https://www.sgvascularctr.com/varicose-vein-treatment-in-singapore-answers-to-your-most-common-questions/