Age: While you grow old, the have on and tear within the valves in the veins might cause them to weaken, leading to poor blood circulation. The extent of compression differs, but most forms of compression stockings are available in drugstores or health-related provide merchants. 性别。女性更容易出现这种医疗状况。激素往往能使静脉壁松弛。因此，月经前、怀孕期间或绝经后的激素变化可能是一... https://www.sgvascularctr.com/varicose-veins-explained/