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المشهد
Lung Cancer Causes Revealed
A recent study found that a rare genetic mutation in the epidermal growth factor receptor (EGFR) gene, specifically the T790M mutation, increases the risk of lung cancer by up to 60 times among non-smokers and ten times among smokers. The study showed that about 20% of lung cancer cases occur in individuals who have never smoked. Currently, cancer screening heavily relies on smoking history, but these findings may open the door to using genetic testing to assess inherited risks. This mutation was first identified in 2005 in a European family, and data from analyzing millions of people highlight its potential impact in identifying those most at risk for the disease.
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