وكالة الأنباء القطرية
وكالة الأنباء القطرية
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A recent study has shown that measurable changes in the blood of individuals exposed to air pollution precede their diagnosis of lung cancer by several years. Researchers analyzed blood samples from more than 1,357 healthy people and detected alterations in small molecules called metabolites, which are linked to biological processes such as inflammation, oxidative stress, and energy metabolism—all factors that increase cancer risk. Although smoking remains the most significant factor, pollution is an important risk factor, especially for non-smokers. Its classification as a carcinogen highlights the importance of incorporating pollution-related factors into screening and early detection strategies. The biological changes identified can help pinpoint individuals at higher risk years before a clinical diagnosis. These findings underscore the need to develop blood biomarkers to enhance prevention and early detection of air pollution-related lung cancer.
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