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Severe COVID-19 or flu increases long-term lung cancer risk by 24%, study finds.
A new study links severe cases of COVID-19 and the flu to a 24% increased long-term risk of lung cancer, even after accounting for smoking and other factors.
Researchers found that serious respiratory infections cause lasting lung inflammation and immune system changes that may promote tumor growth.
The risk was not seen with mild infections, and vaccination appeared to help prevent harmful immune alterations.
The findings, based on human and mouse data, suggest that individuals recovering from severe respiratory illness may benefit from enhanced lung cancer screening.
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El COVID-19 severo o la gripe aumentan el riesgo de cáncer de pulmón a largo plazo en un 24%, según un estudio.