Punto vibrosoundtouch vitaphon varicose Venous insufficiency is a condition associated with the inability of the venous system to adequately return blood from the legs back to the heart and lungs. What are Varicose Veins? They may also be lumpy, bulging or twisted in. Learn more from WebMD about medical and nonmedical treatments for varicose veins. Veins differ from arteries in two primary ways. Varicose veins are dilated, twisted, veins that are close to the surface of the skin. Read about varicose veins, which are swollen and enlarged veins that are usually blue or dark purple. Read about diagnosing varicose veins and when to see your GP. If you have varicose veins that don' t cause you any discomfort, you may not need to visit your.