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Starch Raises Lung Cancer Risk


NBC Nightly News - March 8, 2016 高淀粉和糖类饮食可能增加非吸烟者的肺癌风险。 Lung cancer more likely with high-starch and sugary diets.

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Lester Holt, Anchor, NBC Nightly News: Some important health news tonight about something in the foods a lot of us eat that could be a contributing factor for lung cancer. While the vast majority of lung cancer cases are linked to smoking, researchers say new evidence suggests that diet heavy in certain carb[ohydrate]s might also play a role for non-smokers. NBC's Tom Costello explains:
Tom Costello, Reporter, NBC News: It's the leading cause of cancer deaths in the U.S. More than 150,000 people [are] expected to die from lung cancer this year alone. The vast majority [are] current or former smokers, but 15% are non-smokers. Now, surprising research has found a potential lung cancer risk factor for them. Certain foods that quickly elevate a person's blood sugar levels - so-called "high-glycemic foods".
Dr. Stephanie Melkonian, Epidemiologist, MD Anderson Cancer Center: They tend to be processed. They tend to be white, kind of starchy carbohydrates with a lot of added sugars. They don't tend to have a lot of fiber or other nutrients in them.
TC: The MD Anderson Cancer Center studied 1,900 lung cancer patients. The biggest surprise? Patients who had never smoked were more than two times as likely to develop lung cancer if they'd eaten foods high in starches and sugars, mostly processed foods. The so-called "high-glycemic carbs" include foods like white breads and bagels, popcorn, but also processed foods like corn flakes, saltines and pretzels. Researchers believe the sudden blood sugar spike can affect the way cells grow, something they've also seen in other cancers.
SM: What this does is it causes insulin resistance in the cells, and these lead to potentially, the increase in growth factors that are associated with the development of cancer.
TC: Doctors say it's far too early to conclude white bread leads to cancer, but a lean diet with plenty of fruits, veggies and low-glycemic carbs, is always a healthier choice. Tom Costello, NBC News, Washington.
LH: Hey NBC News fans! Thanks for checking out our YouTube channel. Subscribe by clicking on that button down here, and click on any of the videos over here to watch the latest interviews, show highlights and digital exclusives. Thanks for watching!

  • adult tobacco smoker 成人吸烟者; 成人吸烟草者
  • Sound e31a43d441998f862b764d17930467a5a23de45c433219259bed5eb42e3a7615
    anchor 【名词】1. 锚;新闻主播 2. 桩; 支架; 依靠; 【不及物动词】1. 抛锚; 2. 停泊;固定; 【及物动词】1. 抛锚泊(船); 2. 把…固定住
  • Sound e31a43d441998f862b764d17930467a5a23de45c433219259bed5eb42e3a7615
    blood 血液【名词】1. 血,血液;生命液; 2. 血族,血统;种族;家族(关系);家世;门第;名门,门阀;贵族血统; 3. 生命,活力;元气; 4. 流血,杀戮,杀人(罪),牺牲; 5. 血气;气质,气性,脾气;热情;激怒;肉欲;兽欲; 6. (主英)血气方刚的人;花花公子,纨袴子; 7. (集合词)人员; 8. (树木、果子等的)赤色汁液;(美俚)蕃茄酱; 9. (马的)纯种
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    blood sugar 血糖
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    blood sugar level 血糖值;血糖浓度
  • Sound e31a43d441998f862b764d17930467a5a23de45c433219259bed5eb42e3a7615
    cancer 癌症【名词】1. 癌症;癌(瘤),肿瘤; 2. 弊病;社会恶习; 3. (the C-)【天文学】巨蟹座;巨蟹宫
  • cancer case 癌症病例
  • cancer center 癌症中心
  • cancer death 癌症导致的死亡
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    cancer patient 癌症患者
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    cancer risk 致癌风险; 患癌的风险
  • Sound e31a43d441998f862b764d17930467a5a23de45c433219259bed5eb42e3a7615
    carbohydrate 碳水化合物; 糖类
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    cell 细胞【名词】单元格,电池,牢房,单元,胞,手机,小区
  • Sound e31a43d441998f862b764d17930467a5a23de45c433219259bed5eb42e3a7615
    contribute 贡献【及物动词】1. 捐赠(款项); 2. 投稿(给杂志等); 3. 贡献出; 【不及物动词】1. 出力,作出贡献; 2. 捐款,捐献; 3. 投稿
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    contributing factor 起作用的因素
  • Sound e31a43d441998f862b764d17930467a5a23de45c433219259bed5eb42e3a7615
    current or former smokers 吸烟或曾经吸烟
  • Sound e31a43d441998f862b764d17930467a5a23de45c433219259bed5eb42e3a7615
    diet 饮食;节食
  • Sound e31a43d441998f862b764d17930467a5a23de45c433219259bed5eb42e3a7615
    digital exclusive 数字化消息独家报道
  • Sound e31a43d441998f862b764d17930467a5a23de45c433219259bed5eb42e3a7615
    elevate 提升;抬高;提高
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    epidemiologist 流行病学家
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    evidence 【名词】1. 证据 2. 形迹;迹象 3. 【法律】证据,证人;证词 4.明显;显著; 【及物动词】1. 证明; 2. 显示
  • Extracting Microarray Gene Expression Patterns and Identifying co-expressed Genes 提取微阵列基因表达模式和确认共表达基因◆【略】EPIG
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    factor 因子【名词】因素,因数,要素,系数
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    fiber 纤维【名词】光纤,纤,纤维素
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    finding 【名词】1.发现,发现物,调查的结果,研究结果; 2. 裁决,定罪 【动词原形】find
  • flakes
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    foods high in starches and sugars 高淀粉和糖类的食物
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    glycemic 血糖
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    growth factor 生长因子;生长因素
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    healthier choice 更健康的选择
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    high-glycemic food 高血糖指数的食物
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    highlight 突出显示【及物动词】在…上投上强光;强调,使显著;【美剧】派给;当主角; 【名词】(画中受光最多的)明亮部份;(常 pl.)(演出等的)精彩场面,精彩节目;(报纸中等)特讯,要闻;要点
  • Sound e31a43d441998f862b764d17930467a5a23de45c433219259bed5eb42e3a7615
    important health news 重要的健康新闻
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    insulin 胰岛素【名词】
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    insulin resistance 胰岛素耐受性
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    interview 【名词】1. 接见;面谈;面试 2. (记者的)访问;采访 3. 口头审查 【及物动词】接见;会见;(记者)访谈
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    it's far too early to conclude 下结论还为时过早
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    leading cause 主要原因
  • leading cause of cancer death 癌症致死的首要原因
  • Sound e31a43d441998f862b764d17930467a5a23de45c433219259bed5eb42e3a7615
    lean diet with plenty of fruits, veggies and low-glycemic carbs 含丰富的水果,蔬菜和低血糖指数碳水化合物的低脂肪饮食
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    lung 肺癌【名词】1. 肺脏,肺; 2. (无脊椎动物的)呼吸器官; 3. 辅助呼吸的装置
  • Sound e31a43d441998f862b764d17930467a5a23de45c433219259bed5eb42e3a7615
    lung cancer 肺癌
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    lung cancer case 肺癌的病例
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    lung cancer patient 肺癌患者
  • lung cancer risk 肺癌风险
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    majority 多数【名词】1. 大多数,过半数,大部分; 2. (选举)(多于对方全体票数的)多得票数 (cf. plurality)。; 3. 陆军少校的职位,少校级; 4. 成年;法定年龄
  • never smoked 从来没有吸烟
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    non-smoker 非吸烟者
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    nutrient 【名词】营养物;滋养物;养分 【形容词】营养的,滋养的
  • play a role 发挥了作用
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    potential 潜力【形容词】1. 可能的;【语法】可能语气的; 2. 潜在的;有潜势的;【物理学】位的,势的; 3. (罕用语)有力的; 【名词】1. 可能(性);【语法】可能语气; 2. 潜在力;潜势;【物理学】位,势;电势,电位
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    potential lung cancer risk factor 潜在的肺癌危险因素
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    potentially 有可能【副词】潜在地,有潜在可能性地
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    processed food 加工食品
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    quickly elevate 快速提升
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    resistance 【名词】1. 阻力; 抵抗,反抗 2. 抵抗能力; (对疾病的)抵抗力;(物质的)耐力 3. 【电学】阻抗;电阻器
  • Sound e31a43d441998f862b764d17930467a5a23de45c433219259bed5eb42e3a7615
    risk factor 危险因素; 危险因子; 风险因素
  • smoke 抽烟
  • Sound e31a43d441998f862b764d17930467a5a23de45c433219259bed5eb42e3a7615
    so-called 【形容词】所谓的;号称的(常含贬义)
  • Sound e31a43d441998f862b764d17930467a5a23de45c433219259bed5eb42e3a7615
    so-called "high-glycemic carbs" 所谓的"高血糖指数碳水化合物"
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    spike 穗状花序【1及物动词】1. 打上桩子; 2. 用大钉钉;打上钉子,用尖物刺; 3. 把头弄尖; 4. 塞住(大炮)火门; 5. 阻挡,抑制,挫败; 6.【棒球】用鞋底钉伤(人); 7.【排球】在网边跳起猛扣; 8. (美俚)掺入烈酒;增强…的效果[生气、风味或美观]; 9.【橄榄球】摔(球)触地;【名词】1. (围墙等上尖头向外或向上的)长钉,尖铁(等); 2. 有尖端的细长东西;鞋底尖钉
  • Sound e31a43d441998f862b764d17930467a5a23de45c433219259bed5eb42e3a7615
    starch 淀粉
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    starchy 1.含淀粉的;浆糊状的2.刻板的,拘谨的
  • Sound e31a43d441998f862b764d17930467a5a23de45c433219259bed5eb42e3a7615
    sudden blood sugar spike 突然的血糖急速上升
  • sugared 【形容词】加糖的; 甜蜜的
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    surprising research 令人惊讶的研究(结果)
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    this year alone 仅今年一年
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    vast majority 绝大多数
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    Washington 华盛顿 (特指华盛顿的政治圈)◆ Washington, D.C. (District of Columbia)
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    white, kind of starchy carbohydrates 白色,淀粉类碳水化合物
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