What are Varicose Veins? Varicose veins are swollen and enlarged veins that are usually blue or dark purple. They may also be lumpy, bulging or twisted in appearance. Varicose veins develop when the small valves inside the veins stop working properly. In a healthy vein, blood flows smoothly to the heart. The blood is prevented from flowing backwards by a series of tiny valves that open and close to let blood through. If the valves weaken or are damaged, the blood can flow backwards and can collect in the vein, eventually causing it to be varicose (swollen and enlarged). How…
SethJuly 14, 2014
