英语新闻听写 每周锻炼300分钟能预防乳腺癌？

（单词翻译）

Will 300 Minutes of Exercise Per Week Lower Risk of Breast Cancer?

每周锻炼300分钟能预防乳腺癌？

Exercise may really be the best medicine.

健身是最好的良药。

While numerous¹ studies have shown that regularly exercise can reduce your risk for breast cancer,

许多研究表明，规律的体育锻炼能降低患乳腺癌风险，

a new article published online by JAMA Oncology and reported by Science Daily examines,

这篇文章是由《JAMA Oncology》杂志发布，《每日科学研究》报道的，

why, exactly, exercise is so helpful and claims it comes down to body fat.

当然了，经常锻炼对身体大有裨益，尤其可以降低因肥胖所引起的发病危险。

Per the report, postmenopausal women who exercised for 300 minutes per week were better at reducing total body fat

研究发现，每周运动300分钟的女性更容易降低体内的脂肪，

an important finding² since body fat percentage has been associated with an increased risk for postmenopausal breast cancer.

而体内脂肪的含量与罹患乳腺癌的几率息息相关。

The article states that Christine M. Friedenreich of Alberta Health Services, Canada,

报告还指出，加拿大亚伯达省健康服务中心的克里斯汀.佛罗奇

and colleagues compared 300 minutes of exercise per week with 150 minutes of exercise per week to find its effect on body fat in 400 inactive postmenopausal women,

与同事对400名更年期女性进行了研究，其中一部分女性每周运动150分钟，另一部分女性每周则运动300分钟。

who were split³ into two equal groups.

研究人员将其分成了两个组。