Left-handedness and risk of breast cancer

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15 Citations (Scopus)

Abstract

Left-handedness may be an indicator of intrauterine exposure to oestrogens, which may increase the risk of breast cancer. Women (n=1786) from a 1981 health survey in Busselton were followed up using death and cancer registries. Left-handers had higher risk of breast cancer than right-handers and the effect was greater for post-menopausal breast cancer ( hazard ratio 2.59, 95% confidence interval 1.11-6.03).
Original languageEnglish
Pages (from-to)686-687
JournalBritish Journal of Cancer
Volume97
DOIs
Publication statusPublished - 2007

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