如果女性每天步行90分钟,患乳腺癌的几率就会减少30%。科学家比较了3059名年龄在20～98岁的女性生活方式,其中包括1504位曾被诊断出患乳腺癌的患者。这些女性要记录一周的运动时程,包括步行、家务劳动、有氧运动和快步走。研究结果显示,那些每周运动10～19小时的女性,患乳腺癌的几率减少了30%。科学家们认为,运动有助于预防脂肪组织的形成,进而可预防癌细胞的生成。 If women walk 90 minutes a day, the risk of breast cancer will be reduced by 30%. Scientists compared 3,059 women aged 20 to 98 years with 1504 women who had been diagnosed with breast cancer. These women record their weekly exercise schedules, including walking, housework, aerobics and brisk walking. The results show that those who exercise 10 to 19 hours a week of women, the risk of breast cancer decreased by 30%. Scientists believe that exercise helps prevent the formation of adipose tissue, which in turn can prevent cancer cells from forming.