Before you understand the harm of varicose veins, we have to clarify the essence of varicose veins and the formation process.
To put it bluntly, the essence of varicose veins is a problem that the blood flows in the vein controlled blood flows, resulting in a blood silt in veins, forcing venous walls. The venous is responsible for collecting the blood of each organ \ "used \", returning to the heart. However, the heart is in the upper body, lower than the intravenous vein at the heart position, and the blood needs to overcome the gravity countercurrent. To this end, the human body has evolved the developed venous valve system.
They are like many one-way open \ "gate \". It makes it even when we stand, it can also go back to the heart.
If the venous valve is damaged due to the long-term load, the blood is easily reversed in the vein. In the long run, the vein will become more loose, which further immerses the ability of the venous vessel wall extruded blood. When it is serious, the bending curvature of the naked eye will form the \ "\".
People who need to stand up for a long time, easy to have varicose veins. For example, teachers, main knives, supermarket cashiers, etc.
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