Below is an instruction from Human. Write a response.
    ### Instruction:
    What is (are) Varicose Veins ?
    ### Response:
    Espaol
                
Varicose (VAR-i-kos) veins are swollen, twisted veins that you can see just under the surface of the skin. These veins usually occur in the legs, but they also can form in other parts of the body.
                
Varicose veins are a common condition.
    