Walking and eating sensibly is free. Even a balance oatmeal, rice & beans with infrequent meat servings would defend against heart disease better than expensive medicine, at less than $1 / day.
Giving out nicotine gum , would decimate the drugs industry, but likely resolve a lot of our chronic health and depression issues.
Is this not under-reported? I have known several people for whom smoking appears to be truly necessary. One said he was prescribed smoking to control his "shakes".