Varicose Veins: Definition, 6 Symptoms, Causes, Risk Factors, Complications, and Food To Avoid Last Updated: December 3, 2022 by Market Health Beauty Team - 4 minutes read When you find a blood vessel that protrudes clearly beneath the surface of the skin, it could be varicose veins. Here are The Definition, Symptoms, Causes, Risk Factors, Complications, and Food To Avoid