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Does wearing a bra increase my risk of breast cancer?

The claim Image of a pink bra on a hanger

Wearing a bra might cause breast cancer.

The truth

There is no reliable scientific evidence that shows a link between wearing an underwire bra – or any other kind of bra – and developing breast cancer.

The Canadian Cancer Society is committed to sharing important information about cancer risk to Canadians and will continue to monitor research in this area.

Learn more about the risk factors for breast cancer.


See more myths

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