Migraine and breast cancer risk: a prospective cohort study and meta-analysis.

@article{Winter2015MigraineAB,
  title={Migraine and breast cancer risk: a prospective cohort study and meta-analysis.},
  author={Anke C. Winter and Megan S Rice and Ren{\'e}e Turzanski Fortner and A Heather Eliassen and Tobias Kurth and Rulla M. Tamimi},
  journal={Journal of the National Cancer Institute},
  year={2015},
  volume={107 1},
  pages={
          381
        }
}
BACKGROUND The evidence for an association between migraine and breast cancer risk is inconclusive. While female sex hormones have been proposed as one underlying mechanism, data on sex hormone levels in migraineurs are sparse. METHODS We prospectively evaluated the association between migraine and breast cancer risk among 115378 Nurses' Health Study II participants using Cox proportional hazards models. Differences in endogenous sex hormone levels according to migraine status were assessed… CONTINUE READING
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