Excess body weight (overweight and obesity) is characterized by chronic hyperinsulinaemia
and insulin resistance, and is implicated both in cancer risk and cancer mortality. The list of …

Objective: To review (1) the epidemiological literature on physical activity and the risk of
breast cancer, examining the effect of the different parameters of activity and effect …

The prevalence of obesity, defined as a BMI of≥ 30· 0 kg/m2, has increased substantially
over previous decades to about 20% in industrialized countries, and a further increase is …

Background: Epidemiologic studies have produced conflicting results with respect to an
association of dietary fat with breast cancer. Objective: We aimed to investigate the …

Risk factors for breast cancer—documented by intensive epidemiological investigations and
viewed in the context of general principles of carcinogenesis—can be integrated to an …

Exposure to higher levels of both exogenous and endogenous hormone is associated with
breast cancer risk. Because of the association between breast cancer and HRT, only the …

Physical activity (PA) has been inversely associated with postmenopausal breast cancer
risk. However, it is unclear how and in which life periods PA may be effective to reduce …

Excess body weight (adiposity) and physical inactivity are increasingly being recognized as
major nutritional risk factors for cancer, and especially for many of those cancer types that …

Background Hormone replacement therapy use (HRT) is associated with increased breast
cancer risk. Our primary objective was to explore hormone levels in plasma according to …

Many theoretical and experimental models indicate that androgen receptors can play an
important role as prognostic factors in breast cancer. The aim of this study was to evaluate …