Background The effect of tobacco on breast cancer (BC) is controversial. The purpose of this
study was to investigate the relationship between tobacco and BC. Methods A search was …

Background: The possible association between cigarette smoking and breast cancer risk
has been quite controversial. Methods: We conducted a systematic review and meta …

The results of epidemiologic studies of the association between cigarette smoking and
breast cancer risk have been inconsistent. In spite of the inconsistency, several recent …

Background The relationship between active cigarette smoking and breast cancer risk
remains controversial because of unresolved issues of confounding and dose response …

Although epidemiological evidence on the role of active cigarette smoking in breast cancer
risk has been inconsistent, recent literature supports a modest association between smoking …

Studies on active and passive tobacco smoking and breast cancer have found inconsistent
results. A meta-analysis of observational studies on tobacco smoking and breast cancer …

Background Tobacco use has been implicated in the etiology of a large number of cancers,
and there exists substantial biological plausibility that it could also be involved in breast …

Smoking is associated with the risks of mortality from breast cancer (BC) or all causes in BC
survivors. Two-stage dose-response meta-analysis was conducted. A search of PubMed …

Previous studies suggested that smoking and passive smoking could increase the risk of
breast cancer, but the results were inconsistent, especially for Chinese females. Thus, we …

Background No scientific consensus has been reached on whether active tobacco smoking
causes breast cancer. We examine the association between active smoking and breast …