The scientists have found that there was no statistical evidence that passive smoking caused lung cancer. The research compared 650 lung cancer patients with 1,542 healthy people. It looked at people who were married to smokers, worked with smokers, both worked and were married to smokers, and those who grew up with smokers.
The results are consistent with their being no additional risk for a person living or working with a smoker and could be consistent with passive smoke having a protective effect against lung cancer. The summary, seen by The Telegraph, also states: "There was no association between lung cancer risk and ETS exposure during childhood."
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A report published in the British Medical Journal last October was hailed by the anti-tobacco lobby as definitive proof when it claimed that non-smokers living with smokers had a 25 per cent risk of developing lung cancer. But yesterday, Dr Chris Proctor, head of science for BAT Industries, the tobacco group, said the findings had to be taken seriously. "If this study cannot find any statistically valid risk you have to ask if there can be any risk at all.
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