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                Losing even a modest amount of weight could reduce breast cancer risk: study


                Overweight women over the age of 50 could see a reduction in their risk of developing breast cancer if they lost weight, according to a new study.


                The study, published in the Journal of the National Cancer Institute (JNCI) and conducted by researchers from the American Cancer Society, the Harvard T.H. Chan School of Public Health and others, found that overweight women in “middle or later adulthood” who lost weight and kept it off had a reduced breast cancer risk when compared to overweight women whose weight remained the same.


                To get their results, researchers, using the Pooling Project of Prospective Studies of Diet and Cancer (DCPP), analyzed more than 180,000 women 50 years of age or older from 10 different studies. The women’s weight was periodically assessed, at the beginning of the study, again after five years, then about four years after that.



                By the end, the researchers determined that women “with sustained weight loss had a lower risk of breast cancer than women whose weight remained stable and the larger the amount of sustained weight loss, the lower was the risk of breast cancer,” said a news release on the findings from the American Cancer Society.


                Specifically, the researchers found that women who lost between 4 and 10 pounds had a 13 percent lower risk than women whose weight remained stable. Those who lost between 10 and 20 pounds had a 16 percent lower risk, while women who lost more than 20 pounds had a nearly 30 percent — 26 percent, to be exact — reduced risk of developing the disease.


                What’s more, women who lost 20 or more pounds continued to have a reduced risk even if they gained some of the weight back, according to the study.


                “Our results suggest that even a modest amount of sustained weight loss is associated with lower breast cancer risk for women over 50,” said Lauren Teras, Ph.D., lead author of the study, in a statement.

                “我們的研究結果表明,對於50歲以上的女性來說,即使是適度的持續減肥也能降低患乳腺癌的風險,”該研究的主要作者勞倫·特拉斯博∑ 士在一份聲明中說。

                “These findings may be a strong motivator for the two-thirds of American women who are overweight to lose some of that weight. Even if you gain weight after age 50, it is not too late to lower your risk of breast cancer.”

                “這些@ 發現可能會成為三分之二超重的美國女性減肥的強大動力。即使你在50歲以後增重,現在降低患乳腺癌的風險■還為時不晚。”

                Though the connection between weight and breast cancer risk is complex, being overweight or obese after menopause does increase the risk of breast cancer, according to the health organization.


                內容來自 聽力課堂網:/show-9944-462303-1.html

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