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休闲活动与乳腺癌危险降低有关。然而关于其活动类型、总量及时间与乳腺癌危险间关系远未清楚。本文拟就既往和当前从事正规休闲体能活动与绝经后老年女性乳腺癌发生危险间
Leisure activities are associated with a reduced risk of breast cancer. However, the relationship between the type of activity, total volume and time and the risk of breast cancer is far from clear. This article intends to engage in both regular and current physical activity and post-menopausal women at risk of breast cancer