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| Web Pages |
| Secondhand Smoke -- Dr. Greene.com |
| Report on 1996 study: "the relative risk for breast cancer from passive smoke (primarily girls whose parent smoked or women whose spouse smoked) was 3.2! This makes passive smoking a more important risk factor than having a mother with breast cancer (2.1), or having an early first period (1.3), or having a late first pregnancy (1.4)." |
| Breast Cancer, Breast Feeding, and Tobacco Smoke |
| Early studies treated secondhand smokers as if they were nonsmokers, which actually masked the evidence; later studies separated out the two, and found that both active and passive smoking are causes of breast cancer. |
| Health Canada - Breast cancer linked to second-hand smoke |
| Summary of recent research based on data from 1994-1997. |
| Ask the Expert: Breast Cancer and Secondhand Smoke |
| Summarizes the research findings on tobacco smoke as a cause of breast cancer. |
| Is There An Association Between Passive Smoking and Breast Cancer? |
| Scientific article; meta-analysis of 11 studies estimates a 40% higher risk of breast cancer as a result of exposure to secondhand smoke. |
| Active and Passive Cigarette Smoking and Breast Cancer |
| Recent studies may explain inconsistencies between previous results, say researchers, and a real risk may be emerging. |
| Health Effects of Secondhand Smoke: Breast Cancer |
| Characterizes the risk and provides a bibliography of research establishing the risk. |