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The strongest evidence of physical activity
令人信服的證據證明
reducing cancer risk was found for
運動能夠降低絕經女性
post-menopausal breast cancer. The evidence
患乳腺癌的風險
was less conclusive and... The evidence was
未絕經女性在這方面的證據
less conclusive and consistent in pre-menopausal women.
并沒有前者確切和一致
As described previously for colorectal cancer
像之前提到的結腸直腸癌研究
the activity categories were defined by occupational,
運動種類確定為職業的
housework or recreational. Occupation activity
家務的和休閑的
included non-worker, sedentary, standing and manual.
職業活動包括非工人，久坐，站立，體力活
Housework included cleaning, washing, cooking,
家務活動包括清潔，洗衣服，做飯
childcare, gardening and similar household activities.
照顧孩子，園藝和其他相似的家務活動
Recreation activity included things such as sports,
休閑活動包括運動，騎自行車
cycling and walking. MET values were assigned
和行走，所有活動都計算了MET值
to all activities and weekly totals were kept
每周總共的MET值也
on record. Overall and increase in total physical
也被記錄下來
activity was associated with a reduction
絕經女性運動總量
in breast cancer risk in post-menopausal women.
的增加能夠減少乳腺癌發病率
It was noted that household activities...
引人注意的是
It was noted that household activity was
家務活動與上述發現相關聯
a significant category of activity associated with
是一種降低乳腺癌發病率重要的運動類別
that finding. Occupational activities and
職業性活動和
recreational activity didn't correlate
娛樂性活動并沒有
significantly enough with risk to provide
能夠有效降低乳腺癌發病率的
a convincing evidence for a protective effect.
具有說服力的證據
The role of physical activity in breast cancer risk
運動降低乳腺癌風險的作用
was determined in a multi-national study of
已經在一個涉及四個大洲的
women across 4 continents. The global epidemiology
多國合作研究中被證實
study recruited... The global epidemiology study
這個全球流行病學研究
recruited women through physicians to participate
通過內科醫生招募女性研究對象
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名正在預防
The women were asked to report on the amount
研究要求這些女性報告
of time they spend exercising and the type
她們運動花費的時間
of activities they engaged in. Additionally
和運動的種類，另外
the authors assessed the role of family history
研究人員評估了家族乳腺癌病史
of breast cancer and the effects of physical activity.
與運動對乳腺癌作用的影響
The results of this study strongly supported
這個研究有力地證明了
that increased physical activity correlated
增加運動量
with reduced risk of breast cancer. In women
能夠減低乳腺癌發病率
without a family history higher physical activity
沒有乳腺癌家族病史的女性
reduced their risk by 35% while in women
通過運動能夠使乳腺癌發病率降低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
通過運動能夠降低40%
suggests that lifestyle can influence even genetic
這意味著生活方式
factors of breast cancer risk.
能夠影響乳腺癌的基因因素
