Health benefits timeline
20 minutes after quitting
- Your heart rate slows and your blood pressure decreases.
 
Within a day
- Almost all of the nicotine is out of your bloodstream.
 - The level of carbon monoxide in your blood drops to normal.
 - Oxygen can more easily reach your heart and muscles.
 
Within a week
- Your sense of taste and smell may improve.
 - Your lungs’ natural cleaning system is starting to recover and improve.
 
Within 2 months
- Your coughing and wheezing decrease.
 - Your immune system is beginning its recovery so your body is better at fighting off infection.
 - Your blood is less thick and sticky and blood flow to your hands and feet has improved.
 
Within 6 months
- Your lungs are working much better, producing less phlegm.
 - You’re likely to feel less stressed than when you were smoking.
 
After 1 year
- Your lungs are now healthier and you’ll be breathing easier than if you’d kept smoking.
 
Within 2 to 5 years
- There is a large drop in your risk of heart attack and stroke and this risk will continue to gradually decrease over time.
 - For women, within five years, the risk of cervical cancer is the same as someone who has never smoked.
 
After 10 years
- Your risk of lung cancer drops by half (provided the disease was not already present when you quit).
 - Your risks of cancers of the mouth, throat, bladder, kidney, oesophagus, bladder, and pancreas decreases.
 
After 15 years
- Your risk of heart attack and stroke is close to that of a person who has never smoked.
 
Date last updated: