编辑同志:我正在节食减肥,已初见成效,但让我烦恼的是,节食以来我经常便秘,医生说便秘正是节食的后果。我不明白,我吃的那么少,而且只吃素不沾荤,怎么还会便秘呢?读者郜月琴郜月琴读者:节食造成便秘的道理很容易理解:进食量减少,大便量也会随之减少,节食过度,甚至大便会没有,这样肠道内的有害菌就会占据优势。此外,本来应该从饮食中摄取的水分也减少了,肠道就会从粪便中吸收水分,造成肠内粪便干燥,加重便 Editor’s Comrade: I’m on a diet to lose weight and I have seen initial success. But what worries me is that I often constipate since the diet. The doctor said that constipation is the result of diet. I do not understand, I eat so little, and only vegetarian, how constipation it? Readers 郜 Yueqin 郜 Yue Qin Reader: The conception of diet caused by constipation is easy to understand: reduce the amount of food intake, will also reduce the amount of stool , Over-eating, or even stool will not, so harmful bacteria in the intestine will prevail. In addition, water that should have been taken from the diet is also reduced, and the intestine absorbs water from the stool, causing the excrement in the intestines to dry and aggravate