In the article "Policy Coherence, integration, and Proportionality in tobacco control: Should tobacco sales be limited to government outlets?" what epidemiological findings are most compelling in making the case for policy change?

Reference of the article -

Smith, E. A., McDaniel, P. A., Hiilamo, H., & Malone, R. E. (2017). Policy coherence, integration, and proportionality in tobacco control: Should tobacco sales be limited to government outlets? Journal of Public Health Policy, 38(3), 345-358. https://doi.org/10.1057/s41271-017-0074-z