What is Chronic Venous Insufficiency (CVI) and how to treat it?

Chronic venous insufficiency (CVI) is a frequently occurring but underdiagnosed cause of leg pain and swelling, causing people to learn to live with all kinds of pains and cramps, heaviness and even a burning sensation in their legs as they go about their days. It is frequently associated with varicose veins. It is so common that by age 50, 40%¹ of women and 1 in 5 men have significant leg vein problems.