Half were patients in the hospital for respiratory disease, and the other half were healthy with no history of lung ailments.

其中一半研究对象是呼吸道病患，另一半则身体健康，无肺部疾病史。

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Overall, together with global tobacco control activities and initiatives on healthy indoor air, the Project is expected to be a key step towards reducing lung cancer risk word wide.

在总体上，该项目与全球烟草控制活动和健康室内空气行动一起，预期将成为向减少世界范围内肺癌风险迈出的关键性的一步。

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The researchers tried out the test on 177 volunteers - some were healthy, but others had received a diagnosis of breast, bowel, lung or prostate cancer.

研究人员在177例志愿者身上进行了实验，他们有些很健康，有些则或患有乳腺癌，或患有肠癌，肺癌或前列腺癌。

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She said Francis' main challenge will be to keep his remaining full lung healthy.

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As well as squeezing fluid out of the lungs, it may promote the release of hormones that encourage healthy lung function.

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Viewers are shown close-ups of a healthy lung next to a blackened emphysemic lung, and the loop of a transplant scar that runs under Ms Laffin's arm and across her back.

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