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Urinary arsenic levels and risk of breast cancer among women in the Canadian Health Measures Survey: a population-based prospective study

Katherine Pullella et al.

Jan 23, 2026

https://doi.org/10.1016/j.envres.2026.123791

"Highlights:

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    Arsenic is a bona fide carcinogen for skin, bladder and lung cancers; however, the relationship between arsenic exposure and breast cancer risk is not clear.

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    Nationally representative survey data from the Canadian Health Measures Survey were linked to the Canadian Cancer Registry and Discharge Abstract Database to identify cancers.

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    Findings reveal that low levels of exposure to arsenic may be associated with an increased risk of breast cancer."

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