Selenium also helps lower LDL or "bad" cholesterol and reduces the incidence of blood clots and heart disease.
2
深静脉血栓形成是常见病，有较高的发病率和死亡率。
Deep venous thrombosis is a common disorder, with a considerably high incidence and mortality.
3
目的：脑血栓形成是危害人类健康的一种常见病，具有发病率高、致残率高和死亡率高的特点。
Purpose: Cerbral thrombosis is a common disease which does harm to people's health. It is characterized by the high disease rate, disability rate and death rate.
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