Benefits of stopping smoking
Granskad av Dr Hayley Willacy, FRCGP Senast uppdaterad av Dr Toni Hazell, MRCGPSenast uppdaterad 16 maj 2023
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Stopping smoking can make a big difference to your health and lifestyle. It is never too late to stop smoking to greatly benefit your health. For example, if you stop smoking in middle age, before having cancer or some other serious disease, you avoid most of the increased risk of death due to smoking. Help is available if you find it difficult to stop smoking.
Överblick
Stopping smoking significantly reduces your risk of serious diseases like heart disease and cancer.
Benefits to your health begin straight away, no matter how old you are when you quit.
If you stop smoking before age 50, your risk of dying prematurely is nearly the same as a non-smoker.
In 10 years, your risk of lung cancer falls to half that of a smoker.
Other benefits include better-smelling breath, improved taste, and saving money.
Health benefits of stopping smoking
The benefits from stopping smoking begin straightaway. The following are examples of the dangers that can be avoided or reduced by quitting smoking.
You reduce your risk of getting serious disease no matter what age you give up. However, the sooner you stop, the greater the reduction in your risk. In fact, researchers have found that if you stop smoking before the age of 50 your risk of dying prematurely is virtually reduced to that of a non-smoker. Even if you give up after the age of 60, your risk of dying at any given age is reduced by about 39% compared to a person who carries on smoking.
If you stop smoking you:
Reduce the risk of getting serious smoking-related diseases such as heart disease, cancers, kroniskt obstruktiv lungsjukdom (KOL) och peripheral arterial disease.
Reduce the risk of getting various other conditions which, although not life-threatening, can cause unpleasant problems. For example:
Erection problems (impotence).
Fertility problems.
Optic neuropathy - this is a condition affecting the nerve supplying the eye.
A breakdown of the tissue at the back of the eye (macular degeneration).
A skin condition called psoriasis.
Gum disease.
Tooth loss.
'Thinning' of the bones (osteoporosis).
Raynauds fenomen - in this condition, fingers turn white or blue when exposed to cold.
Reduce the risk of pregnancy complications if you are pregnant.
If you have smoked since being a teenager or young adult:
If you stop smoking before the age of about 35, your life expectancy is only slightly less than it is for people who have never smoked.
If you stop smoking before the age of 50, you decrease the risk of dying from smoking-related diseases by 50%.
It is never too late to stop smoking to gain health benefits. Even if you already have COPD or heart disease, your outlook (prognosis) is much improved if you stop smoking.
Timeline of health benefits after stopping smoking
After | Health Benefit |
72 hours | Breathing becomes easier. Bronchial tubes begin to relax and energy levels increase. |
1 month | Skin appearance improves, owing to improved skin perfusion. |
3-9 months | Cough, wheezing, and breathing problems improve and lung function increases by up to 10%. |
1 year | Risk of a heart attack falls to about half that of a smoker. |
10 years | Risk of lung cancer falls to about half that of a smoker. |
15 years | Risk of heart attack falls to the same level that it would be for someone who has never smoked. |
Other benefits of stopping smoking
Benefits include:
Your breath won't smell any more of stale tobacco.
The smell of stale tobacco will also go from your clothes, hair and home.
Foods and drinks taste and smell much better.
Finances improve. You may well save as much as £3,000 per year if you smoked 20 a day.
Better rates of insurance policies.
You are likely to feel good about yourself.
Patientval för Rökning

Hälsosamt liv
Kalkylator för rökningens kostnader
Open the smoking cost calculator.
av Patientinformatikteamet

Hälsosamt liv
Är e-cigaretter säkra?
E-cigarettes are devices designed to create the sensation of smoking and usually provide a dose of nicotine, without involving the use of tobacco.
av Dr Jacqueline Payne, FRCGP
Vanliga frågor
What is optic neuropathy and how is it linked to smoking?
Optic neuropathy is a condition that affects the nerve supplying the eye. Smoking can increase the risk of developing this condition.
How does stopping smoking improve eyesight?
Quitting smoking can reduce your risk of developing conditions that affect your eyesight, such as cataracts and macular degeneration, which is a breakdown of the tissue at the back of the eye. It also reduces the risk of optic neuropathy, which affects the nerve supplying the eye.
What is Raynaud's phenomenon and how does stopping smoking help?
Raynaud's phenomenon is a condition where fingers turn white or blue when exposed to cold. Stopping smoking can reduce your risk of this condition.
Can stopping smoking improve my financial situation?
Yes, stopping smoking can lead to significant financial savings. For example, if you smoked 20 cigarettes a day, you could save as much as £3,000 per year. You may also get better rates on insurance policies.
How does stopping smoking affect my appearance?
Stopping smoking can improve the appearance of your skin due to improved blood flow, and it eliminates the smell of stale tobacco from your breath, clothes, hair, and home.
Vidare läsning och referenser
- Hughes JR, Stead LF, Hartmann-Boyce J, et al; Antidepressants for smoking cessation. Cochrane Database Syst Rev. 2014 Jan 8;1:CD000031. doi: 10.1002/14651858.CD000031.pub4.
- Wu J, Sin DD; Improved patient outcome with smoking cessation: when is it too late? Int J Chron Obstruct Pulmon Dis. 2011;6:259-67. doi: 10.2147/COPD.S10771. Epub 2011 May 2.
- E-cigarettes: an evidence update; Public Health England, August 2015
- Hackshaw A, Morris JK, Boniface S, et al; Low cigarette consumption and risk of coronary heart disease and stroke: meta-analysis of 141 cohort studies in 55 study reports. BMJ. 2018 Jan 24;360:j5855.
- Reid RD, Pritchard G, Walker K, et al; Managing smoking cessation. CMAJ. 2016 Dec 6;188(17-18):E484-E492. doi: 10.1503/cmaj.151510. Epub 2016 Oct 3.
- Tobacco: preventing uptake, promoting quitting and treating dependence; NICE guideline (2021 - last updated February 2025)
- Rökavvänjning; NICE CKS, April 2023 (UK access only)
- Hartmann-Boyce J, McRobbie H, Lindson N, et al; Electronic cigarettes for smoking cessation. Cochrane Database Syst Rev. 2021 Apr 29;4(4):CD010216. doi: 10.1002/14651858.CD010216.pub5.
Om författarenVisa fullständig biografi

Dr Toni Hazell, MRCGP
MBBS, BSc, MRCGP, DFSRH, Dip GU med, DRCOG, DCH (London, UK, 2000)
Dr. Toni Hazell tog examen från St. Mary’s Hospital Medical School och genomförde sin VTS vid Northwick Park Hospital.
Om recensentenVisa fullständig biografi

Dr Hayley Willacy, FRCGP
Allmänläkare, Medicinsk Författare
MBChB (1992), DRCOG, DFFP, MRCOG (Part 1) MRCGP (2007), DFSRH (2013), MSc - medical education (2020)
Dr Hayley Willacy var en NHS-läkare som arbetade i nordvästra England och gick i pension från klinisk praktik 2022 efter 30 år.
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Informationen på denna sida är skriven och granskad av kvalificerade kliniker.
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Nästa granskning: 12 maj 2028
16 maj 2023 | Senaste versionen

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