By not smoking for a month, the body may experience more benign changes in the lungs, brain, heart, throat, and reproductive system. 1. Lung functions damaged by smoking may slowly return to normal, and many symptoms such as dry cough, chest tightness and chest pain may slowly disappear, reducing the risk of developing lung diseases. 2. The brain’s thinking and logic may slowly become clearer, and the concentration of long-term smokers may be restored. 3. The heart may also slowly become healthier as a result of long-term smoking cessation, which may not be obvious for a month and needs to be continued. Blood pressure will also gradually be stabilized, reducing the risk of various heart and brain diseases. 4. Throat symptoms such as laryngitis, nausea and dryness, coughing and spitting, and sore throat induced by long-term smoking may also be improved. 5. Adhere to the long-term smoking cessation, men due to smoking and damage to the reproductive system to a certain extent may also be restored, while the quality of its sperm will also slowly recover. Be aware that smoking is harmful to health and avoid it as much as possible.