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The strongest evidence of physical activity
令人信服的证据证明
reducing cancer risk was found for
运动能够降低绝经女性
post-menopausal breast cancer. The evidence
患乳腺癌的风险
was less conclusive and... The evidence was
未绝经女性在这方面的证据
less conclusive and consistent in pre-menopausal women.
并没有前者确切和一致
As described previously for colorectal cancer
像之前提到的结肠直肠癌研究
the activity categories were defined by occupational,
运动种类确定为职业的
housework or recreational. Occupation activity
家务的和休闲的
included non-worker, sedentary, standing and manual.
职业活动包括非工人，久坐，站立，体力活
Housework included cleaning, washing, cooking,
家务活动包括清洁，洗衣服，做饭
childcare, gardening and similar household activities.
照顾孩子，园艺和其他相似的家务活动
Recreation activity included things such as sports,
休闲活动包括运动，骑自行车
cycling and walking. MET values were assigned
和行走，所有活动都计算了MET值
to all activities and weekly totals were kept
每周总共的MET值也
on record. Overall and increase in total physical
也被记录下来
activity was associated with a reduction
绝经女性运动总量
in breast cancer risk in post-menopausal women.
的增加能够减少乳腺癌发病率
It was noted that household activities...
引人注意的是
It was noted that household activity was
家务活动与上述发现相关联
a significant category of activity associated with
是一种降低乳腺癌发病率重要的运动类别
that finding. Occupational activities and
职业性活动和
recreational activity didn't correlate
娱乐性活动并没有
significantly enough with risk to provide
能够有效降低乳腺癌发病率的
a convincing evidence for a protective effect.
具有说服力的证据
The role of physical activity in breast cancer risk
运动降低乳腺癌风险的作用
was determined in a multi-national study of
已经在一个涉及四个大洲的
women across 4 continents. The global epidemiology
多国合作研究中被证实
study recruited... The global epidemiology study
这个全球流行病学研究
recruited women through physicians to participate
通过内科医生招募女性研究对象
in the study. There were almost 1,500 women
其中1500名女性患有乳腺癌
with breast cancer and about 4800 controls.
4800名正在预防
The women were asked to report on the amount
研究要求这些女性报告
of time they spend exercising and the type
她们运动花费的时间
of activities they engaged in. Additionally
和运动的种类，另外
the authors assessed the role of family history
研究人员评估了家族乳腺癌病史
of breast cancer and the effects of physical activity.
与运动对乳腺癌作用的影响
The results of this study strongly supported
这个研究有力地证明了
that increased physical activity correlated
增加运动量
with reduced risk of breast cancer. In women
能够减低乳腺癌发病率
without a family history higher physical activity
没有乳腺癌家族病史的女性
reduced their risk by 35% while in women
通过运动能够使乳腺癌发病率降低35%
who had a family history of breast cancer
有家族病史的女性
their risk was reduced by 40%. This strongly
通过运动能够降低40%
suggests that lifestyle can influence even genetic
这意味着生活方式
factors of breast cancer risk.
能够影响乳腺癌的基因因素
