Can the number of smokers be reduced by economic means? graphically

In an ideal state, according to the supply and demand curve of commodities, raising commodity prices will reduce the demand for commodities. As shown in the figure, when the price is in PA, the demand is QA. If the price increases, the corresponding demand point is on the left side of QA, indicating that the demand decreases. Therefore, other things being equal, raising commodity prices can reduce the demand for commodities, but it is doubtful whether this can reduce the number of smokers in life. ......