The benefits of quitting smoking are almost immediate!
After 2 hours - Nicotine is cleared from the system.
After 6 hours - Heart rate will slow down and blood pressure will drop slightly.
After 8 hours - Carbon monoxide levels drop in the blood and oxygen level increases to normal.
After 1-2 days - Carbon monoxide and nicotine are completely cleared from the body, and lungs will function better.
After 1 month - Blood pressure returns to normal.
After 3 months - Circulation improves and lung function increases upto 30%.
After 1 year - The risk of lung cancer is reduced, and the risk of heart disease is almost half that of someone who continues to smoke.
After 5 years - Risks of heart diseases reduces to that of a non-smoker.
After 10 years - Risk of cancer reduces to that of a non-smoker.