Medicine and Health Sciences Commons^™

Energy Balance And Breast Cancer Risk: A Prospective Cohort Study, Stephanie A. Navarro Silvera, Jain Meera, Geoffrey R. Howe, Anthony B. Miller, Thomas E. Rohan

Department of Public Health Scholarship and Creative Works

While there is evidence that breast cancer risk is positively associated with body mass index (in postmenopausal women) and energy intake and inversely associated with physical activity, few studies have examined breast cancer risk in association with energy balance, the balance between energy intake and expenditure. Therefore, in the cohort study reported here, we studied the independent and combined associations of vigorous physical activity, energy consumption, and body mass index (BMI), with breast cancer risk. The investigation was conducted in 49,613 Canadian women who were participants in the National Breast Screening Study (NBSS) and who completed self- administered lifestyle and …

Carotenoid, Vitamin A, Vitamin C, And Vitamin E Intake And Risk Of Ovarian Cancer: A Prospective Cohort Study, Stephanie A. Navarro Silvera, Meera Jain, Geoffrey R. Howe, Anthony B. Miller, Thomas E. Rohan

Department of Public Health Scholarship and Creative Works

It is thought that oxidative stress resulting to repeated ovulation may increase the risk of ovarian cancer by inducing DNA damage (1). Consumption of antioxidants may, therefore, decrease ovarian cancer risk by counteracting oxidative stress and the resultant DNA damage (2, 3). Currently, the epidemiologic evidence regarding associations between antioxidants and risk of ovarian cancer is mixed (4-12). Of the two prospective studies, Kushi et al. (4) and Fairfield et al. (7) both reported no association between β-carotene and ovarian cancer risk. In addition, Fairfield et al. …

Are Residents' Extended Shifts Associated With Adverse Events, Mariana Szklo-Coxe

Community & Environmental Health Faculty Publications

First paragraph:

Heated debates and controversies surrounding the regulation of medical residents’ work hours have raged for over twenty years. In the wake of Libby Zion’s untimely death in 1984 and resulting recommendations by the Bell Commission, New York State enacted legislation (Code 405.4) governing residents’ working conditions and supervision [1]. Since then, there has been growing interest in regulating residents’ work hours, culminating recently (2003–2004) in national guidelines and legislation on duty-hour restrictions both in the United States and Europe [2,3].