When veins become abnormally thick, full of twists and turns, or enlarged, they are called varicose veins. Varicose veins are a very common condition. Varicose veins are swollen and enlarged veins which usually appear blue or dark purple in colour. They may also be lumpy, bulging, or twisted in appearance. Varicose veins are a very common condition. Visit here : https://www.veinsweb.com/