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HEALTH REPORT - Study Says Breast-Cancer Treatments Increase

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HEALTH REPORT - Study Says Breast-Cancer Treatments Increase Survival1 Rates
By Cynthia Kirk

Broadcast: Wednesday, June 01, 2005

I'm Gwen Outen with the VOA Special English Health Report.

 
New drugs, diet and exercise can help fight breast cancer.
More than one million new cases of breast cancer are reported every year around the world. But survival rates have increased in recent years in the United States, Britain and some other countries. A new report says drug treatments have played a major part.

Researchers at Oxford2 University in England led a team that gathered results from nearly two hundred studies. These involved one hundred forty-five thousand women with early breast cancer.

When breast cancer is found early, before it has spread, doctors can operate to remove any disease they find. But some cells may remain that can become cancerous later in life. So additional treatments aim to prevent breast cancer from coming back.

In some cases, the new study found that drugs could reduce by half the risk of death from breast cancer within fifteen years. That is, from the time the cancer is found. This effect was shown in middle-aged3 women with the most common breast cancer. They began with six months of a combination of chemotherapy drugs. Then came five years of the drug tamoxifen. Tamoxifen helps block the effects of estrogen. Estrogen is the hormone4 linked to the most common kind of breast cancer.

The researchers found that survival rates were higher fifteen years after treatment than they were after five years. They note that further improvements in long-term survival could result from newer drugs, or from better use of older one. The report also says the risk of dying from the drugs was small.

The report appeared in May in the British medical journal The Lancet.

Two unrelated studies were also in the news. Researchers at Harbor-U.C.L.A. Medical Center in Los Angeles did one of them. They found some evidence that a low-fat diet can reduce the chances that breast cancer will return within five years.

The second study dealt with exercise among three thousand women with breast cancer. Doctor Michelle Holmes at Brigham and Women's Hospital in Boston led the study. She says almost any amount of physical activity was linked with a lower risk of death from breast cancer.

She says women who walked three to five hours per week gained the most improvement. They were half as likely to die from the disease as inactive women with breast cancer.

This VOA Special English Health Report was written by Cynthia Kirk.  I'm Gwen Outen.


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1 survival lrJw9     
n.留住生命,生存,残存,幸存者
参考例句:
  • The doctor told my wife I had a fifty-fifty chance of survival.医生告诉我的妻子,说我活下去的可能性只有50%。
  • The old man was a survival of a past age.这位老人是上一代的遗老。
2 Oxford Wmmz0a     
n.牛津(英国城市)
参考例句:
  • At present he has become a Professor of Chemistry at Oxford.他现在已是牛津大学的化学教授了。
  • This is where the road to Oxford joins the road to London.这是去牛津的路与去伦敦的路的汇合处。
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 hormone uyky3     
n.荷尔蒙,激素,内分泌
参考例句:
  • Hormone implants are used as growth boosters.激素植入物被用作生长辅助剂。
  • This hormone interacts closely with other hormones in the body.这种荷尔蒙与体內其他荷尔蒙紧密地相互作用。

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