https://onlinelibrary.wiley.com/doi/full/10.1111/j.1752-699X.2011.00262.x
Nina Skavlan, and Eva Prescott. "Benefits of smoking cessation with focus on cardiovascular and respiratory comorbidities." The Clinical Respiratory Journal 5.4 (2011).
Areas of Interest:
Furthermore, large cohort studies have shown that all-cause mortality rates remain elevated for up to decades in former smokers compared with never-smokers, and the rate does not seem to decrease to the level of never-smokers.