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  There are other aspects of healthy eating which are now receiving incrasing attention from experts on diet.Take,for example,the question of sugar.This is actually a nonessential food!Although a natural alternative,such as honey,can be used to sweeten food if it is necessary,we can in fact do without it.It is not that sugar is harmful in itself.But it does seem to be   quantity we use has grown steadily over the last two centuries and in Britain each person consumes an average of 200 pounds a year!Yet all it does is to provide us with energy,in the form of calories.There are no vitamins in it,no minerals,and no fibre.
  It is significant that nowadays fibre is considered to be an important part of a healthy diet.In white bread,for example,the fibre has been removed.But it is present in unrefined flour and of course in vegetables.It is interesting to note that in countries where the national diet contains large quantities of unrefined flour and vegetables,certain diseases are compartively rare.Hence the emphasis is placed on the eating of wholemeal bread and more vegetables by modern experts in"healthy eating". 

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  • 2008-11-03 16:52:49
    健康饮食目前又有其他方面受到饮食专家越来越多的关注。例如,糖的问题。糖其实并不是一种必需的食物。如果必要的话,我们可以用像蜜糖之类的天然替代品来增加食物的甜度,然而事实上不用也行。并不是说糖本身有害。可是它容易使人上瘾,过去两个世纪以来我们使用糖的量稳定增加,在英国人均消耗200磅一年的糖。然而糖只是以卡路里的形式给我们提供能量。它不含维他命,矿物质和纤维。
    很有意思的是如今纤维被认为是健康饮食的一个重要组成部分。比如白面包,原先的纤维就被去除了。可是在未加工的面粉或蔬菜中就含有纤维。很有趣的,我们注意到在那些饮食中富含未加工的面粉和蔬菜的国家,某些疾病相对很少。所以现代健康饮食专家很强调多摄取全麦面包和蔬菜。

    j***

    2008-11-03 16:52:49

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