Long-term excess body fat in adulthood and the risk of pre- and postmenopausal breast cancer in Chinese women

This study aimed to investigate the association between long-term excess body fat and breast cancer risk by studying adult weight gain together with the subsequent weight fluctuations. Weight gain measure in three different time periods in adulthood of 1500 participants was collected in a case–control study of Western China. Logistic regression models were used to estimate odds ratios and 95% CIs. The increased risk of postmenopausal BC was...