问题描述：
主题食物与健康,高中英语阅读理解,越多越好,速求,
相关食物与健康的阅读理解,要有问题的那种,难度在初二与高二的水平,越多越好，速求，
问题解答：
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Food and Health作者：林绍康 来源：更新时间：2005-11-13 点击数：2747
Food and Health
The food we eat seems to have profound effects on our health.Although science has made enormous steps in making food more fit to eat,it has,at the same time,made many foods unfit to eat.Some research has shown that perhaps eighty percent of all human illnesses are related to diet and forty percent of cancer is related to the diet as well,especially cancer of the colon.Different cultures are more prone to contract certain illnesses because of the food that is characteristic in these cultures.That food is related to illness is not a new discovery."
In 1945,government researchers realized that nitrates and nitrites,commonly used to preserve color in meats,and other food additives,caused cancer.Yet,these carcinogenic additives remain in our food,and it becomes more difficult all the time to know which things in the packaging labels of processed food are helpful or harmful.The additives which we eat are not all so direct.
Farmers often give penicillin to beef and poultry,and because of this,penicillin has been found in the milk of treated cows.Sometimes similar drugs are administered to animals not for medicinal purposes,but for financial reasons.The farmers are simply trying to fatten the animals in order to obtain a higher price on the market.Although the Food and Drug Administration (FDA) has tried repeatedly to control these procedures,the practices continue.
