Your veins carry blood to the coronary heart. Valves in these veins prohibit the blood stream to at least one direction. Valves that weaken or that don’t close appropriately result in blood to pool (obtain) in a very vein. This known as a varicose vein. rasakan galaknya scatter hitam dengan https://www.sgvascularctr.com/service/vein-diseases-varicose-veins/