Are you a smoking person? Check what happens if you stop smoking?
After:
20 Minutes: the blood pressure and cardiac beat return to their normal values.
8 Hours: the levels of monoxide carbonic and nicotine fall to half and the level of oxygen returns to its normal values.
1 Day: all the monoxide carbonic is eliminated from the body and the lungs start expelling mucus and other secretions.
2 Days: there is no nicotine in the body, the olfactics and gustation capacity start to increase.
3 Days: the bronchus relax and breathing is now easier.
2 to …