Varicose veins are swollen, twisted veins that bulge from beneath the surface of the skin. Although they can develop anywhere in the body, they are most often found on the legs and ankles. “Veins have one-way valves that blood travels through,” said Dr. Mohamed Jaber, Interventional Radiologist at McLaren Lapeer Region . “If the walls of a vein become elastic, the valves tend to get weaker. A valve in this weakened state can cause blood to leak backward and flow in the opposite direction. When this...