Case-control study of lifetime physical activity and breast cancer risk.

@article{Friedenreich2001CasecontrolSO,
  title={Case-control study of lifetime physical activity and breast cancer risk.},
  author={C M Friedenreich and Healther E Bryant and Kerry S Courneya},
  journal={American journal of epidemiology},
  year={2001},
  volume={154 4},
  pages={336-47}
}
A population-based case-control study of 1,233 incident breast cancer cases and 1,237 controls was conducted in Alberta, Canada, in 1995-1997 to examine the effect of lifetime physical activity patterns on breast cancer risk. No associations between physical activity and breast cancer were found for premenopausal women. For postmenopausal women in the… CONTINUE READING