Health encyclopaedia - Alphabetical Topic List健康百科全书-按字母顺序排列的主题清单
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Lactose intolerance乳糖不耐症
Lactose intolerance is the inability of your body to completely break down lactose, a type of sugar found in milk.乳糖不耐症是无法你的身体完全分解乳糖，一类糖发现，牛奶中。 The problem is caused by a lack of lactase (a type of enzyme) normally produced in your small intestine.问题是，所造成的缺乏乳糖酶（一种酶）通常产在您的小肠。 Lactase breaks down lactose into simpler forms of sugar (glucose and galactose) so that it can be absorbed into the blood stream.乳糖酶分解乳糖成为简单形式的糖（葡萄糖和半乳糖） ，以便它能够吸收到血液流。
Milk is the only dietary source of lactose.牛奶是唯一膳食来源的乳糖。
When this lactose enzyme is missing or depleted the person is said to be lactose intolerant.当这乳糖酵素是遗失或资源枯竭的人据说是乳糖不能容忍。 If this happens, lactose can build up in your large intestine.如果发生这种情况，乳糖能够建立在您的大。 The lactose ferments which causes the main symptoms: stomach cramps, wind and diarrhoea.乳糖酵素，其中的原因主要症状：胃痉挛，风能和腹泻。
Lactose intolerance varies between different ethnic groups:乳糖不耐症之间的不同，不同族群的：
- 95% of Asian people 95 ％的亚洲人民
- 75% of Afro-Caribbean people 75 ％的非裔加勒比人
- 50% of Mediterranean people 50 ％的地中海人
- 10% of northern European people 10 ％的北欧人
Adults and children may learn to adjust their diets so that the amount of dietary lactose is not greater than they can tolerate.成人和儿童可能学会调整自己的饮食，使金额膳食乳糖不大于他们可以容忍。
