The American Heart Association found that the longer you stay away from smoking, the greater the benefits to your body. Quit smoking for 20 minutes: Blood pressure and heart rate that spike due to smoking will gradually calm down. Quit smoking for 12 hours: Carbon monoxide levels in the blood will return to normal. 2 to 3 weeks after quitting: The body’s circulatory function and lung function begin to improve compared to the smoking period. 1~9 months after quitting: Smoke spots on nails and teeth will become lighter, sense of smell and taste will become more sensitive and better; cough and shortness of breath will be significantly reduced, breathing will start to become smooth, dry cough and weak cough will be reduced, and the risk of lung infection will be significantly reduced. Quit smoking for 1 year: the increased risk of coronary heart disease due to smoking is reduced by 50%. 5 years after quitting: 50% reduction in the increased risk of oral, laryngeal, esophageal, and bladder cancers due to smoking; the risk of stroke and cervical cancer is reduced to an average level. Quit smoking for 10 years: the risk of death from lung cancer is reduced to the average level, and the risk of laryngeal cancer and pancreatic cancer is gradually reduced. Quit smoking for 15 years: risk of death from coronary heart disease reduced to the same level as non-smokers. All these changes come from taking action. From now on, let’s take action to quit smoking together!