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Tobacco exposure increases breast cancer risk

Miriam Davis, PhD   |   Clinical Summary   |   18 October 2022
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Takeaway

  • Exposure to tobacco, whether by active smoking or passive smoking, increases breast cancer risk by around 15% compared with no smoking exposure, according to a meta-analysis involving at least 2.3 million participants.
  • The risk is greatest for premenopausal women.

Why this matters

  • Women, especially those who are premenopausal, should...

          

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