Environmental tobacco smoke exposure and risk of breast cancer

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Current issue Archive About. Editorial Policies. Instructions to Authors.

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Daniel Wartenberg, Eugenia E. Calle, Michael J. Thun, Clark W.

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Secondhand smoke sometimes called passive smoke, environmental tobacco smoke, or involuntary smoke is a mixture of sidestream smoke the smoke from the burning tip of a cigarette or other smoked tobacco product and mainstream smoke smoke exhaled by a smoker that is diluted by the surrounding air 1 — 3. Major settings of exposure to secondhand smoke include workplaces, public places such as bars, restaurants and recreational settings, and homes 4. Workplaces and homes are especially important sources of exposure because of the length of time people spend in these settings. The home is a particularly important source of exposure for infants and young children.

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Tobacco smoke exposure may be associated with increased breast cancer risk, although the evidence supporting the association is inconclusive. We conducted a case-control study in Delaware, incorporating detailed exposure assessment for active and secondhand smoke at home and in the workplace. Detailed information on tobacco smoke exposure was obtained through telephone interviews.

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Non-smokers who breathe in SHS take in nicotine and toxic chemicals the same way smokers do. The more SHS you breathe, the higher the levels of these harmful chemicals in your body. Secondhand smoke SHS has the same harmful chemicals that smokers inhale.

This summary table contains detailed information about research studies. Summary tables are a useful way to look at the science behind many breast cancer guidelines and recommendations. Learn how to read a research table.

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Tobacco smoke contains chemicals that have been linked to cancerfrom both active and passive smoking. The use of cigarettes has been linked to stroke, coronary heart disease, and many cancers, including lung cancer and breast cancer. Tobacco smoke is a mixture of gases and chemicals that is sent into the air during the burning of tobacco products or from the smoke that is exhaled by a smoker. The smoke that is present in the environment contains multiple chemicals linked to breast cancer, such as benzene and vinyl chloride, both designated as known carcinogens by the International Agency for Research on Cancer or the National Toxicology Program, [1][2][3] as well as 1, 3-butadiene, toluene, and nicotine-derived nitrosamine ketone NNK that may cause mammary tumors in animals.

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Secondhand tobacco smoke is the combination of the smoke given off by a burning tobacco product and the smoke exhaled by a smoker. It is also called environmental tobacco smoke, involuntary smoke, and passive smoke. More than 7, chemicals have been identified in secondhand tobacco smoke.

Tobacco smoking is inconsistently associated with breast cancer. Although some studies suggest that breast cancer risk is related to passive smoking, little is known about the association with breast cancer by tumor hormone receptor status. We aimed to explore the association between lifetime passive smoking and risk of breast cancer subtypes defined by estrogen receptor and progesterone receptor status among non-smoking Caucasian women.


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