G-d knows: Just being female puts you at risk for getting breast cancer ( 1 out of 9 females get it). There are other risks that have been implicated- some are definite (genetic family trait such as brca mutation), and others have been suggested in studies- obesity, smoking, late pregnancies or no pregnancies, hormone replacement therapy (possibly). Makes sense that 2nd hand smoke would afford risk.
Answered 5/4/2014
5.3k views
Breast cancer: Does not appear to be related to tobacco exposorure, primary (your smoking) or secondary (any one else's smoking wafting in your direction). There are genetic risks, and links to estrogen at least as promoters.
Answered 3/7/2013
5.3k views
Probably not: While smoke is linked to several cancers. For some reason second hand smoke is not a high risk factor for developing breast cancer. (they still should stop smoking).
Answered 10/23/2017
5.2k views
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