Objective To estimate the dose–response associations between non-occupational physical
activity and several chronic disease and mortality outcomes in the general adult population …

Purpose The purpose of the present study was to systematically review the complex
associations between energy balance-related factors and breast cancer risk, for which …

Importance Leisure-time physical activity has been associated with lower risk of heart-
disease and all-cause mortality, but its association with risk of cancer is not well understood …

Importance The 2008 Physical Activity Guidelines for Americans recommended a minimum
of 75 vigorous-intensity or 150 moderate-intensity minutes per week (7.5 metabolic …

We conducted a meta-analysis to summarize the evidence from prospective studies
regarding the association between physical activity and breast cancer risk. A comprehensive …

Background Lower risk of breast cancer has been reported among physically active women,
but the risk in women using hormone replacement therapy (HRT) appears to be higher. We …

Breast cancer is the most commonly diagnosed invasive malignancy and the second
leading cause of cancer death in women. This chapter considers epidemiologic evidence …

Background Modifiable risk factors (alcohol, smoking, obesity, hormone use, and physical
activity) affect a woman's breast cancer (BC) risk. Whether these factors affect BC risk in …

Objectives To evaluate and quantify the association between physical activity (PA) and risk
of breast cancer. Methods A systematic review meta-analysis was conducted. The literature …

Background Physical activity has many health benefits. Although greater activity has been
related to lower postmenopausal breast cancer risk, important details remain unclear …