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Unit12翻译
Vitamins:Issues and and Answers
维生素:问与答
Vitamin A megadoses:Boom or Bust?
维生素A的超剂量使用:是繁荣还是衰落?
least in the case of one fat-soluble vitamin-vitaminA-
some
peopleare making themselves sick trying to get healthy.
至少有一个关于脂溶性维生素的例子—维生素A—人们在试图
(使用它)让自己变得健康的时候却反而使自己生病了。
Because the liver storage is large and is released very slowly
megadoses over time are unhealthy, even deadly.
因为肝对于它的储存量是很大并且释放得非常缓慢,因此随着时
间的推移大剂量的维他命A是不利于健康,甚至致命的。
Although there are wise uses of moderate increases of
certain vitamins,there is also abuse .
尽管适量地加大维生素的使用量是明智的,但仍存在滥用(现
象)。
megadoses are included in listed amounts of
substances that
advocates of large supplementation tell us we must have .
如此超剂量使用的(摄入品)也包括已经被列入清单的那些曾被
倡导鼓动成我们必须大量摄入的(营养)补充剂。
The public press constantly reminds us that food
harvesting ,storage ,and processing methods are producing
“empty calorie “vegetable ,not “half as nutritious as the ones
our grandparents ate .”
公共新闻不断提醒我们食物的收获,存储,和加工方法所生产"无
热量"蔬菜,不及"那些我们祖父辈吃的食物的营养的一半"。
Self-proclaimed nutrition “experts “tell us that even our
grandparents ‘s cooking could not provide the high amounts of
nutritions we need today .那些自称为的营养"专家"的人告诉我们即
使我们爷爷奶奶做的饭也不能提供我们今天所需的大量营养。
So they claim we “must “take vitamins.
所以他们声称我们"必须"摄入维生素。
some individual cases of increased need or deficiency
states this
may actually be good advice .
在某些个体维生素需求量增加或缺乏的情况下,这也许是很好的
建议。
For example ,the increased nutritional demands of
pregnancy and lactation often require supplemental vitamins and
minerals.例如,怀孕期和哺乳期营养需求的增加经常要求补充维生素
和矿物质。
Also,individuals whose eating habits are erratic may benefit
from an appropriate intake of multivitamins.
此外,个人不稳定的饮食习惯可能从适当摄入的多种维生素中受
益。
is also evidence thatcertain vitamins offer protection
against
disease..
还有证据表明,某些维生素可以使我们免受疾病的侵害。
Vitamin A apparently has some preventive association in the
development of epithelial cancer in sites such as the
lungs,larynx,esophagus,stomach,and urinary bladder.
维生素A 显然在一些预防上皮产生的癌症的发展恶化有一些关联,
比如肺、喉、食道、胃、和泌尿器膀胱。
Studies have shown an inverse relationship between vitamin
A (actually ,beta –carotene )and the rate of lung cancer.
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