Vein disease is an underlying risk factor for deep vein thrombosis. Your veins are responsible for transporting blood back to the heart. Varicose veins occur because your vein valves are damaged, either from too much pressure or other factors, resulting in blood flowing in the opposite direction that it’s supposed to. Learn how varicose veins cause blood clots:
https://www.usaveinclinics.com/blog/your-complete-guide-to-understanding-blood-clots/
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