Have you been trying to quit smoking for a while and been unsuccessful in doing so? Even after you know how bad it is for your health how badly your family wants you to quit and how much money you are burning on the cancer stick? Researchers believe they now know why. During the research those who exhibited the weakest response to rewards like prospect of saving money or improving health were the least willing to refrain from smoking even when offered money to do so. The findings could predict the effectiveness of a reward-based strategy as motivation to quit