身体组成早在人30多岁的时候就开始改变。随着年龄增长,肌肉往往会开始减少,而脂肪含量会增加。酒精不能溶于脂肪。身体所含水分也会随着年龄增长而减少,因此如果几个人喝同量的酒,脂肪多而肌肉和身体水分少的人就会有更多的酒精在血液中循环。(这也是为何各个年龄段的女性通常比男性更容易感受到酒精的影响。)
'A lot of older people are borderline dehydrated. They have less body water just from the natural effects of aging,' Dr. Blackwelder says. It helps to drink water and have a full stomach when knocking one back.
布莱克韦尔德博士说:“很多年纪大的人都处于濒临脱水状态。由于衰老的自然效应,他们体内的水分会减少。”喝酒的时候大量饮水以及保持饱腹状态会有帮助。
The majority of alcohol is metabolized by the liver, which changes when people hit their 50s. (A small amount is metabolized in the stomach and mouth.) The liver gets bigger as people get older, but the organ becomes less efficient. Blood flow decreases, as do the number of hepatocytes, the liver's functional cells, says Gary Murray, acting director of the Division of Metabolism and Health Effects at the National Institute on Alcohol Abuse and Alcoholism at the National Institutes of Health.
酒精大部分由肝脏代谢(小部分在胃和口腔代谢),而人到了50岁的时候就会不一样。年纪越大,肝脏就会越大,但功能却越来越弱。美国国立卫生研究院(National Institutes of Health)国家酒精滥用及酗酒问题研究所(National Institute on Alcohol Abuse and Alcoholism)代谢和健康影响部门代理主任加里・穆雷(Gary Murray)说,血液流动会减缓,肝细胞的数量也会减少。
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