Within 20 minutes

Blood pressure and pulse return to normal

After 8 hours

Nicotine and carbon monoxide levels in the blood are halved

After 24 hours

Carbon monoxide is eliminated from the body, and lungs start to clear out accumulated tar

After 48 hours

There is no nicotine left in the body; taste and smell are greatly improved

After 72 hours

Breathing becomes easier, bronchial tubes begin to relax and energy increases

After 2-12 weeks

Circulation improves

After 3-9 months

Lung functionis increased by up to ten percent

After 5 years

Risk of heart attack is halved

After 10 years

Risk of lung cancer is halved and the risk of a heart attack is the same as for non-smokers