Something has deterred smokers: the overall rate of adults who smoke has fallen from 50% to 25% in the last 50 years [0] - the source gives measures by gender a

Something has deterred smokers: the overall rate of adults who smoke has fallen from 50% to 25% in the last 50 years [0] - the source gives measures by gender and birth cohort, but you can aggregate them any way you want to see a big drop off. [0] https://pmc.ncbi.nlm.nih.gov/articles/PMC2566030/ https://pmc.ncbi.nlm.nih.gov/articles/PMC2566030/