The correlation is one of the strongest there is, and indeed, causal -- there's a almost perfect lag time of ~20 years [1]. [1] https://en.wikipedia.org/wiki/L

The correlation is one of the strongest there is, and indeed, causal -- there's a almost perfect lag time of ~20 years [1]. [1] https://en.wikipedia.org/wiki/Lung_cancer#/media/File:Cancer_smoking_lung_cancer_correlation_from_NIH.svg https://en.wikipedia.org/wiki/Lung_cancer#/media/File:Cancer...