Varicose Veins

What are the main causes of varicose veins?

Varicose veins are usually caused by weak vein walls and valves. Inside your veins are tiny one-way valves that open to let the blood through, and then close to prevent it from flowing backward. Sometimes the walls of the veins become stretched and lose their elasticity, causing the valves to weaken.

• Category: Vascular Diseases