A growing body of recent scientific evidence shows that secondhand smoke exposure is a cause of breast cancer. 1 Breast cancer is the most common cancer among women in Western countries and is the leading cancer killer in nonsmoking women. 2 Secondhand smoke is a cause of breast cancer, primarily in young, pre‐ menopausal women who have never smoked, . Some research also suggests that secondhand smoke may increase the risk of breast cancer, nasal sinus cavity cancer, and nasopharyngeal cancer in adults (10) and the risk of leukemia, lymphoma, and brain tumors in children (3).
Mar 11, · The causal relationship between secondhand smoke exposure and breast cancer appears to be greater for premenopausal breast cancer. The report states that higher risks were . 21 rows · Introduction: Most large prospective cohort studies have found no link between breathing secondhand smoke (breathing the smoke from other people’s cigarettes, also called passive smoking) and breast cancer. .
Does exposure to secondhand smoke cause cancer? | Quit.