Changes in premature mortality burden due to lung cancer attributable to tobacco exposure in rural southwest China: three repeated cross-sectional studies from 2013 to 2025

The premature mortality burden due to lung cancer attributable to smoking and SHS exposure has increased substantially in rural southwest China over the twelve-year study period. Future lung cancer prevention and management efforts should prioritize reducing smoking in men as well as strengthening protections against SHS exposure in women and other non-smoking populations.