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Nose swab detects tobacco damage linked to lung cancer in smokers

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A sample of cells taken from the inside of the nose could be used to indicate the damage caused to cells in the lung by smoking, a new US study has found. CT scans can identify suspect lumps in the lungs, but they can’t determine which of these lumps are likely to be cancerous, and those that are non-cancerous which should just be monitored. Researchers at Boston University School of Medicine (BUSM) in the US have now discovered that looking at certain genes within nose cells could help make a decision on which lumps to investigate further. In the US

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