“Conclusions Smoking contributes to substantial mortality in prison, and prison tobacco control policies are associated with reduced mortality. These findings suggest that smoking bans have health benefits for people
in prison, despite the limits they impose on individual autonomy and the risks of relapse after release.”

Read the complete report on Prison tobacco control policies and deaths from smoking in United States Prisons:
https://www.prisonlegalnews.org/media/publications/Tobacco%20Control%20Policies%20and%20Deaths%20from%20Smoking%20in%20U.S.%20Prisons%20Medical%20Study%20BMJ%202014.pdf