The World Health Organization's cancer agency highlights a concerning rise in lung cancer diagnoses among never-smokers, linking it significantly to air pollution. Adenocarcinoma has now emerged as the predominant subtype among non-smokers, marking a shift in lung cancer patterns. An estimated 200,000 cases in 2022 were associated with air pollution, with the highest burden in East Asia, particularly China. Dr. Freddie Bray stresses the need for urgent monitoring and further research into the causal factors behind this increase, especially as smoking rates decline globally, potentially leading to more adenocarcinoma cases.
The proportion of lung cancer cases among non-smokers is rising, primarily due to air pollution, according to the WHO's IARC.
Dr. Freddie Bray emphasized the urgency for monitoring lung cancer risk as smoking prevalence declines, necessitating further studies on non-smokers.
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