How quickly health improves as you stop smoking

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.