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Old 08-16-2011, 10:26 AM   #1
hgt5s0nso
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Default 吃热狗可能会基因突变?

化学家在一项最新的研究中发现,热狗中可能包含使DNA突变的成分,增加消费者患癌症的风险。

科学家发现,水宜生水杯,不同类型的热狗中含有不同的突变物质,总体来说有240种,内布拉斯加大学医学中心的化学家辛德尼&mi ddot;莫韦什告诉《生命科学》说:“如果热狗中包含有害物质,人们就应该改变生产方法。” 以前有研究把热狗与肠癌联系在一起。热狗中含有亚硝酸钠,而亚硝酸钠有助于形成一种被称为N亚硝酸钠的物质 ,在用动物进行实验后证明,后一种物质会引发癌症。从超市购买的热狗中提取的物质含有这种使DNA突变的成 分,当把这种成分加入进沙门氏菌中时,那么热狗因亚硝酸钠而引起的DNA突变水平是正常的两到四倍,研究人 员解释说,在大肠中引发DNA突变就会增加患肠癌的危险。莫韦什说:“不过我不想说,你不能吃热狗。”研究 人员还将做一些试验,盟特新奇特,给老鼠吃热狗,看一看这些吃了热狗的老鼠是否会得肠癌或者有患癌症的征兆。

总部设在华盛顿的美国肉类研究所基金会主席詹姆斯·霍德戈斯也在关注这一研究,他说:“这一 有关引发癌症危险的报告应该进一步进行研究,这种物质是否会让人类增加患癌症的危险还没有被确定。”莫韦什 也说,含有危险物质的食品不限于热狗,ad收腹运动机价格,烤鱼以及黄豆酱这样的调味品中也含有这种化学物质。
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Old 08-16-2011, 10:32 AM   #2
zq8j8ha3b5t
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Liu with a cotton swab to clean the teeth when his father make a model mouth. Photo

reporter Li Shaowen old virtues of filial piety as the first argument. Xiao Li of Hubei have a city to city, called Xiaogan. Yang Town shall be under the jurisdiction of the city of Xiaogan recently circulated the story of a dutiful daughter, the story's main character is a female college students after 80 is Liu.
in the town should be Yang Yang River City School District family member courtyard, there is not put out a light all night, sleep in the lamp, in addition to sudden stroke while in a vegetative state for Liu Yilong teacher, and her great daughter Liu.
father suddenly fell ill, Liu quit his job and given medicines, take a sponge bath, massage and suction to his father, graduated from Wuhan University of Technology, 29-year-old, she is caring for his father, twice postponed the wedding will be placed in his bed on the bed next to his father.
● suction mouth for the father,

murmured against his father, treated like a newborn baby,
town at this time, Yang has been safely asleep in the night, reporters rushed to Liu, the town's lights have been few.
from the head,mulberry handbags, arms,mulberry handbag, chest, legs to the feet, massaging while wiping Liu, see the water, she hastened to enchant a new warm water,gucci bags, then the open ward electric fan. Suddenly out to a straw, inserted into the trachea was cut Liufu, press the switch button, back and forth until the phlegm suction 3,4 times the net, Liu Fu abnormal expression of the pain.
Yang River in the side of the secondary teachers were Hing Man James told reporters two months last winter, the town has no power, are Liu mouth suck out the phlegm suction his mouth,miu miu handbags,

sucking phlegm, Liu tuck to help his father, he crouched beside the bed, his hands pushed the spittoon of urine in the urine bag, take it drained, Liu had only space to sit down and continue to massage his father,
● home heavens

2010 年 7 8, 57-year-old Yang River Junior High School math teacher Liu Yilong sudden stroke, was rushed to the hospital had to be city people unconscious,
her father was lying in a real ICU (Intensive Care Unit), in the hospital in the first half, Liu days in August have not washed a bath, corridors of sleep for two weeks, look at the trash every day what his father used drugs, raise money every day.
doctor told Liu family, the father's disease cure hope. Liu said that many of the ward are suffering from this disease who abandoned his family, who died less than two days, I feel very sad, as long as there is a glimmer of hope is not the give up.
said,gucci handbags, according to Liu Mu, Liu Fu, and the cost of surgery combined spent more than twenty million, is now home to nearly 15 million foreign debt, Yang Deng Yunhua River Middle School teacher told a reporter, the school worked Liu 1.7 million teachers to raise donations.
Liu said,paul smith bags, until you see his father lying on the bed, she suddenly felt the family's
● himself to his father dispensing

Thin, thin the month nearly 5 pounds.
the conditions, Liu Fu could not go home the day on loan to the oxygen bottles that night, Liu felt my heart almost jump out, better than in the hospital.
the original pipes as his father did when emergency surgery forced open, and still not repaired, prone to infection, a cousin to come back from time to time from Harbin to succeed Liu, but from Polytechnic University, she graduated in English foreign trade, care and medical knowledge is almost Liu addition to nurses from the hospital learned that the sporadic nursing knowledge, the only recourse to the network, a pharmacy owner and a number of traditional Chinese medicine prescriptions, the reporter saw in the wards, special capsule cough, peer large active pills, and other Asif Moline drugs filled Liu Fu's bedside, and most of them pick their own medication Liu, Tu teachers told reporters that even many traditional Chinese medicine prescriptions are Liu himself had to go fill a prescription with a good.
how to do, had to tie his father's reaction to try drugs.
● twice postponed the wedding

Liu Mu Nieyu Ying Yang Town Centre in primary schools, his father became ill, she did not hesitate to go through the formalities of retirement, but in fact, Liu one month before illness onset parent, Nie Yuying was diagnosed with gallstones and kidney stones, medical life of its immediate surgery.
suffering, Liu only anxious heart, Liu Xian, Wuhan is studying in a college junior, she told reporters, sister of the last year of the This year New Year's Day, I did not expect once again postponed.
, mother's surgery, and it was pushed back indefinitely.
Tu teacher of history, and Liu Fu colleagues over the past 30 years, he said, almost subversive Liu sister after his 90 after 80 inherent bias, to this, and raise children the way Liu inseparable. , let your father can restore even a little bit, and she is willing to give everything.
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Old 08-16-2011, 10:33 AM   #3
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