VitaminB12tiedtoAlzheimers维他命B12预防老年痴呆Reuters.doc

Vitamin B12 tied to Alzheimers 维他命B12预防老年痴呆？ Reuters Health) - Vitamin B12 may help protect against Alzheimers disease, according to a study out Monday. 路透社健康称 据悉，一份周一的研究报告显示，维他命B12可以帮助预防阿兹海默氏症症。 The study suggests that seniors with more of the active part of the vitamin in their blood have a lower risk of developing the disease, which eats away at the minds of one in eight Americans aged 65 and older, according to the Alzheimers Association. 研究暗示，血液中含更多维他命活跃成分的老年人患阿兹海默氏症阿兹海默症协会 However, the findings dont necessarily mean that taking B vitamin supplements will stave off mental decline. 然而，研究调查结果并不能切实证明服用维他命B12能避免认知能力减退。 Just last summer, for instance, a pair of studies deflated long-held hopes that B vitamins -- like B12 and folic acid -- would help patients who had suffered strokes or heart attack (see Reuters Health stories of June 22 and August 4, 2010). 就在去年夏天，有两份研究否定了，B族维生素2010-08-04和2010-06-22有关健康故事的报道。）。 More research is needed before we can get a conclusion on the role of vitamin B12 supplements on neurodegenerative diseases such as Alzheimers disease, said Dr. Babak Hooshmand from Karolinska Institutet in Stockholm, Sweden, whose findings appear in the journal Neurology. 瑞士斯德哥尔摩卡罗林斯卡医学院的博士Babak Hooshmand称：“我们尚不能得出结论，服用维他命B12在神经性退化疾病，如阿兹海默氏症，是否有利。 But he added that many elderly people suffer from B12 deficiency, so the results could turn out to be important. 但是他补充道，许多上年纪的人都缺乏维他命B12，所以研究结果至关重要。 Our findings indicate that vitamin B12 and related metabolites may have an important role in Alzheimers disease, Hooshmand told Reuters Health by e-mail. Hooshmand发邮件告知路透社：“我们的调查显示，维他命B12及相关代谢分子在阿兹海默氏症中扮演重要角色。 The researchers took blood samples from 271 Finnish seniors without dementia. At a second examination about seven years later, they found 17 (six percent) had developed Alzheimers. 研究人员从271位芬兰健康老人中抽取血样 Those who did had higher levels of holotranscobalamin -- the active portion of vitamin B12 -- and lower levels of homocysteine, an amino acid tied to mental declin