Health benefits after quitting
• 20 minutes: Heart rate and blood pressure drops.
• 12 hours: Carbon-monoxide level in blood drops to normal.
• 2 weeks to 3 months: Circulation improves and lung function increases.
• 1 to 9 months: Coughing and shortness of breath decrease.
• 1 year: Excess risk of coronary heart disease is half that of a smoker.
• 5 to 15 years: Stroke risk is reduced to that of a non-smoker.
• 10 years: Lung-cancer death rate is about half that of a continuing smoker.
• 15 years: Risk of coronary heart disease is that of a non-smoker.
Source: U.S. Surgeon General’s report, 1990
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