加拿大医学研究人员最近报道 ,成人期体重增加和腰围增大及腰臀比率增大是乳腺癌发生的两个明显的危险信号。这是在对 12 33名乳腺癌妇女和 12 37名对照者进行人体数据测量时发现的。腰围大于 86 .8cm者比小于 71.5 cm者发生乳腺癌的危险性增加 30 %。而腰臀比率在 0 .81以上者 Canadian medical researchers recently reported that adult weight gain and increased waist circumference and increased waist-to-hip ratio are two of the most significant danger signs for breast cancer. This was discovered when 1233 breast cancer women and 1237 controls were measured for body data. The risk of breast cancer increased by 30% in those with a waist circumference greater than 86.8cm compared with less than 71.5 cm. The waist-to-hip ratio is above 0.81.