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VOA慢速英语2012 Health Report - For Smokers, Never Too Late to Quit; Diesel and Cancer

时间:2012-06-20 06:53:35

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Health Report - For Smokers1, Never Too Late to Quit; Diesel2 and Cancer

This is the VOA Special English Health Report.

There is new medical evidence for the expression "better late than never." Researchers have found that smokers reduce their risk of dying from tobacco even if they stop smoking after the age of sixty.

Smoking is a known risk for many diseases, including many forms of cancer as well as heart disease. But most studies on the health effects of smoking involve middle-aged3 people.

The latest analysis by German researchers examined the findings of seventeen studies carried out in the United States, China, Australia, Japan, England, Spain and France.

Smokers sixty and older had an eighty-three percent increased risk of dying from all causes compared to people who had never smoked. Smokers also had a thirty-four percent higher risk of death compared to former smokers.

T.H. Lam is professor in the school of public health at the University of Hong Kong. He says people who continue to smoke as seniors have at least a fifty percent chance of dying from their smoking habit.

T.H. LAM: "And if they stop smoking, then they can reduce about one-quarter of their excess risk. So this is good news that older people should not continue to smoke."

What about smokers who start at a young age and stop when they are in their thirties? Dr. Lam says they can reduce their risk of dying from a smoking-related illness to almost the same level as someone who never smoked. Even people who never smoke can still die from breathing other people's secondhand smoke.

An article on smoking among older individuals, with a commentary by T.H. Lam, appeared in the Archives of Internal Medicine.

In other news, the World Health Organization now says diesel fuel exhaust causes cancer. Since nineteen eighty-eight the WHO had rated exhaust from diesel engines as "probably carcinogenic" to humans. Now, it compares the risk to that of secondhand cigarette smoke.

This month's announcement came after international experts spent a week reviewing new research findings. Those included a long-term study of more than twelve thousand miners who were heavily exposed to diesel exhaust.

The diesel industry pointed4 out that the mining study lacked exact data on exposure levels during its early years. Also, diesel engine makers5 point to their new designs that produce far less emissions6 than older truck and bus engines.

The WHO says stronger standards are needed to limit diesel emissions into the air.

The United States Environmental Protection Agency continues to rate diesel as only a "likely" cause of cancer.

And that's the VOA Special English Health Report. I'm Jim Tedder7.

___

Contributing: Jessica Berman 


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点击收听单词发音收听单词发音  

1 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。
2 diesel ql6zo     
n.柴油发动机,内燃机
参考例句:
  • We experimented with diesel engines to drive the pumps.我们试着用柴油机来带动水泵。
  • My tractor operates on diesel oil.我的那台拖拉机用柴油开动。
3 middle-aged UopzSS     
adj.中年的
参考例句:
  • I noticed two middle-aged passengers.我注意到两个中年乘客。
  • The new skin balm was welcome by middle-aged women.这种新护肤香膏受到了中年妇女的欢迎。
4 pointed Il8zB4     
adj.尖的,直截了当的
参考例句:
  • He gave me a very sharp pointed pencil.他给我一支削得非常尖的铅笔。
  • She wished to show Mrs.John Dashwood by this pointed invitation to her brother.她想通过对达茨伍德夫人提出直截了当的邀请向她的哥哥表示出来。
5 makers 22a4efff03ac42c1785d09a48313d352     
n.制造者,制造商(maker的复数形式)
参考例句:
  • The makers of the product assured us that there had been no sacrifice of quality. 这一产品的制造商向我们保证说他们没有牺牲质量。
  • The makers are about to launch out a new product. 制造商们马上要生产一种新产品。 来自《简明英汉词典》
6 emissions 1a87f8769eb755734e056efecb5e2da9     
排放物( emission的名词复数 ); 散发物(尤指气体)
参考例句:
  • Most scientists accept that climate change is linked to carbon emissions. 大多数科学家都相信气候变化与排放的含碳气体有关。
  • Dangerous emissions radiate from plutonium. 危险的辐射物从钚放散出来。
7 tedder 2833afc4f8252d8dc9f8cd73b24db55d     
n.(干草)翻晒者,翻晒机
参考例句:
  • Jim Tedder has more. 吉姆?特德将给我们做更多的介绍。 来自互联网
  • Jim Tedder tells us more. 吉姆?泰德给我们带来更详细的报道。 来自互联网

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