Varicose Veins
Arteries carry oxygenated food-rich blood away from the heart to the body.
Blood returns to the heart through the veins. The legs, like any other part of
the body, need a blood supply. Varicose veins are dilated or enlarged, twisted [meaning
of the Latin root, varix, for varicose] visible veins close to the skin surface.
They usually affect the legs and thighs because of the greater pressure that
gravity exerts on them while standing