Heterogeneous impact of tea consumption on COPD risk in smokers: insights from the PIFCOPD study.

Front Med (Lausanne) · 2026 · PMC13039063 · PMID 41930134

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a negative trendno p-value reported

did not reach statistical significanceno p-value reported

An analysis based on the Korean National Health and Nutrition Examination Survey (KNHANES) showed a negative trend between green tea intake and COPD risk among smokers, but the association did not reach statistical significance and detailed stratification by tea type or consumption pattern was lacking ( 26 ).

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