我喝酒 一点点就会脸红 不管是红酒 啤酒还是什么 就一小茶杯都会 怎么回事

2025-04-06 01:06:30
推荐回答(3个)
回答1:

喝酒脸红的原因很多人认为是酒精所导致的,其实不然,喝酒脸红其实是乙醛引起的。我们都知道,乙醛具有让毛细血管扩张的功能,而脸部毛细血管的扩张才是脸红的原因。所以喝酒脸红的人体内有高效的乙醇脱氢酶 (alcohol dehydrogenase),他能迅速将乙醇转化成乙醛,进而引起脸色泛红甚至身上皮肤潮红等现象。不过我们不能忘了还有一种酶,乙醛脱氢酶(aldehydedehydrogenase)。喝酒脸红的人是只有前一个酶没有后一个酶,所以体内迅速累积乙醛而迟迟不能代谢,时间长了就涨红了脸。 那为什么喝酒1-2小时后,脸红现象自动消失呢?其实这是靠肝脏里的P450慢慢将乙醛转化成乙酸,然后进入TCA循环而被代谢掉了。

回答2:

还是有很多人沾酒就会脸红的,不过你还有痘印,不会是对酒过敏吧,以后最好还是不要喝酒或少喝!

回答3:

较为严重的酒精过敏,以后喝酒要多多提防过敏对身体的伤害。最好是不喝。

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