Story,about,Vitamin,VitaminA,t health A Story about Vitamin A
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VitaminA is the first vitamin that is discovered by human beings. There are generallytwo types of vitamin A. Weare familiar to this substance. We know its ingredients and functions. But wehave never notice the story behind it. Not long ago, Mr. Ge, the director ofthe Chinese Nutrition Society told me atrue story about former Chinese soldiers and vitamin A. Once upon atime, the Chinese soldiers could not see anything in the darkness. Such asituation not only disturbed their life, but also influenced the war. TwoChinese doctors were sent to the battle field immediately. Soon they found thatthe soldiers did not have enough fruit and vegetables to eat. As a result, theyall lacked the nutrition, vitamin A. It was this very reason that these solderssuffered from nyctotphlosis.The doctors boiled the branches of the local pines and let the soldier eatpotherbs to ingest adequate vitamin A. Later, they provided a potherb menu forthe army to help them prevent this disease. From this story, we can naturallycome to a conclusion that vitamin A is crucial to our life.Recently,a seminar about vitamin A was held in Beijing, China. Expertssaid, according to the investigations, lack of this vitamin is an importantissue in China.50% of the people investigated have such a problem and many of them are womenand children. In recent years, the ingestion of vegetables and rice has beendecreasing year after year in China,which leads to the decrease of human bodys ingestion of micro elements. Only15% of surveyed people reach the standard. A survey intended for 3-year-old to12-year-old children reveals that children under the age of ten should take thisproblem more seriously. Meanwhile, Chinese women, especially the pregnant ones,have higher risks in lacking this vitamin. As for the elderly, they have thisproblem as well. Obviously, it has become a health issue in China. As David Hipgrave from United Nations Childrens Fund say, it has beenrecognized as one of the four deficiencydiseases by the WHO. An epidemiological research indicates that the lackmay increase the possibility of respiratory and intestinal infections. Atpresent, there are three methods to improve this situation. They are balancingthe diet, ensuring the food diversity and taking vitamin A complements. Of allthe complements, oil is the best choice. In America, margarine has been used asa carrier of vitamin A since 1944. People in Venezuela add the vitamin to thecorns. All the countries have made great achievements through the governmentscooperation with companies and manufacturers.
Story,about,Vitamin,VitaminA,t