2 Hours The nicotine will be gone from your blood stream.
6 hours Your heart beat will slow down and your blood pressure will go down a little (although it may take 30 days before it returns to normal level)
24 Hours The carbon monoxide that has bonded to your red blood cells is excreted from your body. The efficiency of your lungs will improve
48 Hours Your sense will improve sharply. You will start to feel and smell fresher.
3 Days The phlegm that has accumulated in your lungs will start to loosen and during the next few weeks you will cough it up. Cilla, the microscopic hair-like structures that are you body’s natural cleaning mechanisms, will start to recover after being paralysed be cigarette smoke.
3 Weeks A test of your lung function would show it has improved markedly.
2 Months The blood flow to your limbs will have improved and you should have more energy.
3 Months Your lungs will be working properly again. The sperm of men who have stopped smoking will increase in number and act more normally.
5 Years Your risk of sudden death from heart attack will be almost identical to that of non-smokers.
10-15 Years Your risk of death from all causes, including lung cancer, is close to that of someone who has never smoked.

