Varicose veins undoubtedly are a result of the failure of your valves while in the veins within the legs. In healthy veins, valves inside the vein work in opposition to gravity to empower blood to flow to the guts for purification. A B C D E F G H I J K L M N O P Q R S T U V W X Y Z Search A-Z Underneath typical disorders, blood from the vein