But about 50% of Asians and 5% of Europeans have mutations in these enzymes that can increase the rate of alcohol metabolism up to 100-fold.

但大约50%的亚洲人和5%的欧洲人这些酶有变异可以加快酒精代谢一百倍。

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Then, the free radical from the alcohol metabolism is one of the important factors that cause lipid peroxidation and alcoholic liver injury.

而酒精代谢过程中所产生的自由基，其引起的脂质过氧化反应是导致酒精性肝损伤的重要因素之一。

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Most consistently associated with alcoholism are the alcohol dehydrogenase genes (ALDH), which are involved in alcohol metabolism and protection against heavy drinking.

大部分与酒精成瘾问题关联的基因是酒精脱氢酶基因(ALDH)，它参与酒精的新陈代谢作用同时对过量饮酒产生保护。

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