A lot of people think that the tobacco problem or the smoking problem has been solved in the United States because of the great progress that's been made over the last 40, 50 years, when it comes to both consumption and prevalence.
Molte persone credono  che il problema del tabacco o del fumare sia stato risolto negli USA visti i grandi progressi fatti negli ultimi 40, 50 anni, relativamente al consumo e alla diffusione.