1 year smoke free
Not a badge — what has actually changed by 1 year without a cigarette, and who says so.
What has happened so far
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20 minutes
Heart rate settles
Heart rate and blood pressure begin to return to normal.
NHS
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8 hours
Oxygen recovering
Nicotine and carbon monoxide in the blood halve; oxygen levels rise.
NHS
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1 day
Carbon monoxide gone
Carbon monoxide is cleared and the lungs start shifting mucus.
NHS
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2 days
Taste and smell return
No nicotine left in the body. Taste and smell noticeably sharper.
NHS
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3 days
Breathing easier
Bronchial tubes relax, energy levels rise.
NHS
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2 weeks
Circulation improves
Walking and exercise start to feel easier.
NHS
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4 weeks
Skin improves
Skin appearance and colour improve as blood flow recovers.
NHS
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3 months
Lung function up
Lung function can be up to 10% better than when you smoked.
NHS
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9 months
Lungs clearing
Coughing and breathlessness decline as the cilia recover.
NHS
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1 year
Heart risk halved
Risk of heart disease is around half that of a smoker.
NHS
What is next
5 years
Stroke risk falls
Stroke risk moves towards that of someone who never smoked.
CDC
And what it has saved you
At the app's default of £16 a day, 1 year without a cigarette is about £5,840 you did not spend. Put in your own figure — it takes a second.
Days Strong shows you where you are on this timeline, keeps the count when you forget to open it, and never takes a day off you for a bad one. No account, and it all stays on your phone.
General guidance, not medical advice. Talk to a doctor before making changes if you have any health concerns. The whole timeline.