If people don't want to be those 400,000 people who die from lung cancer, pancreatic cancer, heart attack and others, then they should stop smoking cigarettes or never smoke. Also, if people don't want their family or friends to die from smoke in the air, they should stop smoking. Not only for these reasons, if people refer to the high price of cigarettes and medicines, they should stop smoking because it is not worth it. It is never too late to improve the health of smokers by quitting smoking. Quitting smoking can help people live longer and healthier lives. When smokers quit smoking, the rate of decline in lung function will also increase