[Some of middle age smokers' attitudes against smoking]. 
Smoking is pandemic spread in all parts of the population.  Particularly, this is an autodestructive blind impulse or the vice.  THE FORMULATION OF THE PROBLEM: This rough of smoking today incites an important interest, same with nonsmokers as with smokers, so the understanding of the harmfulness of smoking to their health in the population of the middle-age smokers has been the cause for this investigation.  The aim of the investigation was to show the attitude of smokers toward smoking in a prospective study.  The selection was performed according to the settled rules, as well as inquiry of 280 examinees, workers of Furniture Factory "Krivaja-Zavidovići".  The examination group formed 140 smokers and the control group 140 nonsmokers, of the same age 35-45 years, and both gender.  Received results were prepared statistically and the differences between groups were certified with chi2 test and t-test to the level of tasked signification ?  = 0.05.  Relativly high percentage of smoker examinees (84.28%) confessed to consider smoking to be harmful to their health; still, they continue to smoke.  The establishing of these precise indexes, which show the attitude of smoker-examinees toward smoking enables developing of strategic, along with simultaneous forecaster estimation of succesful prevention, in the sense of the conduction of this program about quitting smoking.  Among workes of Furniture Factory "Krivaja-Zavidovići" high percentage of smoker examinees (84.28%) confessed to consider the smoking harmful to their health.  Smoker examinees in more than 50% cases would like quitting to smoke.