What happens to your body when you quit smoking?
Health News
28 May 2025
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What happens to your body when you quit smoking?
It’s no exaggeration to say that everyone on this planet knows how harmful smoking is to our health. For smokers, the real question isn’t whether smoking is bad, but whether quitting is worth the effort. No matter your age or how long you’ve smoked, quitting today can extend your life and improve your overall health. Did you know? Just one hour after your last cigarette, your body already begins to change for the better.

- 20 minutes : Blood pressure and heart rate begin to return to normal

- 8 hours : Oxygen levels return to normal; nicotine and carbon monoxide are reduced by more than half

- 24 hours : Carbon monoxide is eliminated from the body; lungs begin clearing mucus and debris

- 48 hours : Nicotine is completely gone; your senses of taste and smell significantly improve

- 72 hours : Breathing becomes easier; bronchial tubes begin to relax and energy levels rise

- 1–12 weeks : Blood circulation improves; physical activities like walking and running become easier

- 3–9 months : Coughing and respiratory problems decrease; lung function improves by up to 10%

- 1–5 years : Risk of heart disease is cut in half

- 10 years : Risk of lung cancer drops by 50%; risk of heart disease matches that of a non-smoker

The benefits of quitting smoking don’t just impact you — they also help the people around you. Your family, friends, and loved ones will be healthier by avoiding secondhand smoke. Quitting smoking improves your family's quality of life, reduces illness, and protects the health of those closest to you. If you are a smoker or live with someone who smokes, regular health check-ups are a key way to extend your life, reduce health risks, and plan effective, personalized care.

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