The price of cigarettes is very high in Western countries. Would it be forbidden to buy them because of extravagance and waste, especially when one knows that they are harmful [to one’s health]?
Answer
It is permissible to buy them; and using them would not become haram for the reasons mentioned [in the question]. Of course, if smoking causes great harm to the smoker while quitting, it can comses him no harm or lesser harm, it is necessary for him to quit it.