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    魏光明主页 >> 文章 >> 百科知识 >> 浏览信息《美国研究发现:爱吃薯条容易“脑残”》

    百科知识 | 评论(8) | 阅读(3292)
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    星期三   晴天 
    主题 美国研究发现:爱吃薯条容易“脑残”

          美国研究人员发现,可乐、薯条等垃圾食品不仅腐蚀牙齿、增加腰围,还有损大脑,加速大脑老化,而富含维生素的食物和鱼则能延缓大脑萎缩,有助预防老年痴呆症。
          据新华社电 美国研究人员分析了104名、平均年龄87岁的健康老人血液样本。
          他们发现血液中维生素B族、CDE水平较高的老人,在记忆力和思维测试中表现更佳;血液中欧米茄-3脂肪酸水平高的志愿者,测试得分也较高;得分最低的老人血液中反式脂肪酸较多。
          反式脂肪酸又名反式脂肪,一般由植物油经氢化技术处理后产生。含有反式脂肪的油可延长食品保质期,改善食品口味,因而常见于蛋糕、饼干、油炸食品等加工食品中。
          研究人员随后扫描42名老人的大脑。结果显示,血液中维生素和欧米茄-3脂肪酸水平高的人大脑容量更大,而血液中反式脂肪高的人脑容量小。

       健康食品延缓萎缩
          研究人员之一吉恩·鲍曼的话表示:“显而易见,反式脂肪不仅有害心脏,也有损大脑。”先前研究结果显示,反式脂肪会提高人体内“坏”胆固醇水平、阻塞动脉、增加人患心血管疾病的风险。
          鲍曼说,令人“非常激动”的是,人们或许可以调整饮食结构,从而延缓大脑萎缩,保持思维敏捷。不过,这项结果需要进一步确认。另一研究人员特拉伯说:“我坚信,食用多种水果、蔬菜和鱼,摄取维生素等营养成分,很可能保护你的大脑,让它更好地工作。” (来源:广州日报) 

    魏光明 发表于:2012-1-4 14:42:07

    评论 

    祝老同学新年快乐。
    山攸攸 发表于:2012-1-21 19:44:31

    评论 问候老同学

    请问是哪一位?现在在哪所学校?
    魏光明 发表于:2012-2-6 10:38:29

    评论 

    刚看到高港教育网上的教研通知,老同学4月要来泰州做报告。翘首期盼!
    山攸攸 发表于:2012-3-15 15:01:20

    评论 

    高港的。口岸中小
    山攸攸 发表于:2012-3-15 15:02:21

    评论 你是哪一位?

    前两周在泰州参加了两次活动,打算联系你,但是不知道你是哪一位,是否可以告知?我问了老班长陈克宏,他说只有两个同学在高港柴墟小学。
    魏光明 发表于:2012-4-9 16:24:12

    评论 

    没能看到老同学,没能听到老同学精彩的报告,心里觉得十分遗憾.因为7号到南京参加省小学数学骨干教师的培训,与泰州的活动有了冲突.           --------张琴

    山攸攸 发表于:2012-4-9 18:47:23

    评论 祝贺老同学!

    祝贺老同学!进入省级小学数学骨干教师行列,是一件很不简单的事情,很快就会跨入特级的行列。我的课不听没有什么遗憾,那只是一孔之见。以后可以常交流。欢迎你来南京送教。
    魏光明 发表于:2012-4-10 11:34:03

    评论 

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