Positive Effects of Giving up Smoking

20 minutes - Blood pressure and pulse rate return to normal.
8 hours - Nicotine and carbon monoxide levels reduce by half, oxygen levels return to normal.
After 24 hours - Carbon monoxide is completely eliminated from your body and your lungs start to clear mucus and other smoking related debris.
After 48 hours - There is no nicotine left inside your body and your senses of taste and smell are greatly improved.
After 72 hours - Your breathing becomes easier as your bronchial tubes begin to relax. Your energy levels increase dramatically.
2-12 weeks later - Your circulation improves greatly.
3-9 months later - Your lung function improves by up to 10%, improving coughs, wheezes and breathing problems.
1 year later - Your risk of having a heart attack falls to about half of that of a smoker.
10 years later - Your risk of lung cancer falls to half of that of a smoker.
15 years later - Your risk of heart attack falls to the same as someone who has never smoked.