Left-handedness and risk of breast cancer

Left-handedness and risk of breast cancer

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...

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Veröffentlicht in:British journal of cancer 2007-08, Vol.97 (5), p.686-687
Hauptverfasser: FRITSCHI, L, DIVITINI, M, TALBOT-SMITH, A, KNUIMAN, M
Format: Artikel
Sprache:eng
Schlagworte:
Adult
Biological and medical sciences
Breast cancer
Breast Neoplasms - epidemiology
Breast Neoplasms - etiology
Female
Functional Laterality
Gynecology. Andrology. Obstetrics
Humans
Incidence
Mammary gland diseases
Medical sciences
Middle Aged
Proportional Hazards Models
Registries - statistics & numerical data
Risk Factors
Short Communication
Tropical medicine
Tumors
Western Australia - epidemiology
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Zusammenfassung: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).
ISSN:0007-0920
1532-1827
DOI:10.1038/sj.bjc.6603920