Much lower prevalence and mortality of chronic obstructive pulmonary disease in Japan than in the US despite higher smoking rates: A meta analysis/systematic review.
Akira SekikawaMengyi LiNiva JoshiBrandon HerbertCurtis TilvesChendi CuiShiyao GaoYuefang ChangYasutaka NakanoFrank C SciurbaPublished in: Journal of epidemiology (2024)
This study showed markedly lower rates of COPD in Japan than in the US. Investigating factors contributing to the paradoxical observations could lead to advancing COPD risk reduction strategies.