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美国国家公共电台 NPR Cancer Death Rate Falls As Lung Cancer Picture Improves : Sho

时间:2020-01-13 03:04来源:互联网 提供网友:nan   字体: [ ]
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    (单词翻译:双击或拖选)

 

ARI SHAPIRO, HOST:

Cancer death rates in the United States recently dropped more sharply than ever, according to an analysis by the American Cancer Society. NPR science correspondent Richard Harris reports on what's driving the trend.

RICHARD HARRIS, BYLINE1: Cancer death rates in the United States have been falling gradually for about three decades. Rebecca Siegel at the Cancer Society has just finished crunching2 the latest data through 2017.

REBECCA SIEGEL: We had the biggest single-year drop ever.

HARRIS: Death rates dropped by more than 2% in a single year. And she points to one primary reason.

SIEGEL: It seems to be driven by accelerating declines in lung cancer mortality, which are very encouraging because lung cancer is the leading cause of cancer death in the U.S., causing more deaths than breast, colorectal and prostate cancers combined.

HARRIS: People with advanced lung cancer still have a gloomy outlook. Most will die within five years of diagnosis3, and most smokers4 don't follow through and get screened to catch cancer early, despite official recommendations to do so.

SIEGEL: It probably is more the steady reductions in smoking, along with these treatment advances in the past decade, that have come together to create a perfect storm.

HARRIS: The story is not as positive for breast cancer and colorectal cancer, Siegel says.

SIEGEL: Progress has slowed a bit, although rates are still declining. And for prostate cancer, the rapid declines in death rates of the past couple of decades actually halted.

HARRIS: Siegel says that may in part be because health officials have changed their views about a common blood test called a PSA. Extensive use of that test led to many needless surgeries and complications because it identified many cancers that were actually never going to cause harm. But ratcheting back that test has also meant finding fewer cancer cases, Siegel says.

SIEGEL: I think there is a big need for a better test.

HARRIS: And despite the downward trend in cancer rates, the U.S. population is aging, which means there are more older people at risk for cancer every year and more deaths from the disease.

SIEGEL: So we have more than 600,000 deaths from cancer in this country every year, and that number continues to grow.

HARRIS: And with treatments getting progressively more expensive, that's a problem not just for individuals but for the entire health care system.

Richard Harris, NPR News.


点击收听单词发音收听单词发音  

1 byline sSXyQ     
n.署名;v.署名
参考例句:
  • His byline was absent as well.他的署名也不见了。
  • We wish to thank the author of this article which carries no byline.我们要感谢这篇文章的那位没有署名的作者。
2 crunching crunching     
v.嘎吱嘎吱地咬嚼( crunch的现在分词 );嘎吱作响;(快速大量地)处理信息;数字捣弄
参考例句:
  • The horses were crunching their straw at their manger. 这些马在嘎吱嘎吱地吃槽里的草。 来自《简明英汉词典》
  • The dog was crunching a bone. 狗正嘎吱嘎吱地嚼骨头。 来自《简明英汉词典》
3 diagnosis GvPxC     
n.诊断,诊断结果,调查分析,判断
参考例句:
  • His symptoms gave no obvious pointer to a possible diagnosis.他的症状无法作出明确的诊断。
  • The engineer made a complete diagnosis of the bridge's collapse.工程师对桥的倒塌做一次彻底的调查分析。
4 smokers d3e72c6ca3bac844ba5aa381bd66edba     
吸烟者( smoker的名词复数 )
参考例句:
  • Many smokers who are chemically addicted to nicotine cannot cut down easily. 许多有尼古丁瘾的抽烟人不容易把烟戒掉。
  • Chain smokers don't care about the dangers of smoking. 烟鬼似乎不在乎吸烟带来的种种危害。
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TAG标签:   NPR  美国国家电台  英语听力
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