Rank: Forum user 
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Shift work!
If this was a chemical carcinogen would it be banned or exposure severely limited?
Considering we’re down to 142 fatal accidents a year surely the time has come to ban women from doing shift work – or is this not reasonably practicable?
I think we should be campaigning very hard on this one, it highlights the health aspects of our institutions name, and is a pretty emotive target.
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Rank: Forum user
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Can you put a link to your source I'd love to see it?
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Rank: Super forum user
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Rank: Forum user
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Rank: Super forum user
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I assume that you are aware that men get breast cancer too.
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Rank: Super forum user 
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Estimates, with a high degree of uncertainty. The Danish study (which seems to heavily influence the data) identified air stewards and nurses as most at risk. Increased exposure to cosmic rays at altitude is widely acknowledged as a risk. See: http://cordis.europa.eu/...tlibrary/75331981EN6.pdfClinical exposure (inc. nursing profession) is recognised as increased risk of exposure to ionising radiation, hence HSG223.
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Rank: Super forum user 
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As Ron suggests its more to do with the job hazards. Maybe a coincidence that those people ALSO work shifts.
Tricky things, statistics.
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Rank: Super forum user
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"It is not clear exactly how working at night might increase risk of cancer. There is a theory that disruption of the circadian system and the hormone melatonin are involved. Working at night is known to disrupt our circadian system, which regulates how we respond to night and day. This system affects how active we are, which hormones are produced, and which genes are switched on and off. Some of the genes affected by the circadian system can affect tumour growth, while the hormone melatonin, which is normally produced at night, affects immune system function"
So from the given links it would seem the studies are largely statistical, and since they used a nurse-based cohort they assume, or readers on here assume, that women are more at risk. It seems that the study applies to both sexes in this real world. Maybe we wait for some clear EVIDENCE?
It's not as if we are lacking in workplace cancers to worry about. Maybe we should install UV lighting (oh sorry, UV is also carcinogenic)
Nurses exposed to ionising radiation?
Not in my hospital. Clear separation, nil exposure. Now, viruses .....
Face it. The above research is based on a statistical rise in workers who do shifts. Nothing much to see as yet.
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Rank: Forum user
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If we read the whole Article
"It’s important to remember that analyses and estimates of this type are for the population as a whole. They do not mean that individual cancer cases can necessarily be singled out as being caused by the occupations. Rather, they suggest which factors might affect risk and estimate how much lower cancer rates could be in the population as a whole if those factors were removed.
Overall, this type of estimate helps policy makers and employers to identify which occupational exposures (types of working) are potentially causing the most harm and develop strategies to reduce these as much as possible. It does not tell us why night shift working may be linked with cancer.
If your job involves shift working, you should not be unduly worried by this study because the evidence of the risk of breast cancer from shift working is limited, and the reasons unclear. This analysis looks at risk at a population level rather than your individual circumstances."
Regarsd Dave
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