Varicose and spider veins are damaged veins. We develop them when tiny, one-way valves inside the veins weaken. In healthy veins, these valves push blood in one direction — back to our heart. When these valves weaken, some blood flows backward and accumulates in the vein. Extra blood in the vein puts pressure on the […]
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Varicose veins are more than just a cosmetic problem: the unsightly bulges might result in serious health problems such as leg ulcers, thromboses or even pulmonary embolisms. Veins have one-way valves that are designed to close against the backflow of blood. Since veins are thin-walled, this mechanism is essential in order to prevent the pooling […]