20 minutes. Blood pressure and pulse normalise.
8 hours. Carbon Monoxide levels in blood reduce by half. Oxygen levels normalise.
72 hours. Breathing becomes easier. Bronchial tubes relax. Energy levels increase.
2 - 12 weeks. Circulation improves.
3 - 9 months. Coughs and wheezing improve - lung function increases by up to 10%.
1 year. Risk of heart attack falls to half that of a smoker.
5 years. Risk of stroke reduced to level of a non smoker.
10 years. Risk of lung cancer falls to half that of a smoker.