Lady sitting on a couch laughing, happy to have quit smoking.
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What happens when you quit smoking?

A timeline of the health benefits of quitting smoking

What happens when you stop smoking? Your body starts healing itself immediately. You can reverse all of the damage from smoking if you start now.

20 Minutes After You Quit Smoking

  • Blood pressure drops to near the level before your last cigarette.
  • Pulse rate drops to near the level before your last cigarette.

8 Hours After You Quit Smoking

  • Carbon Monoxide level in blood falls to normal.
  • Oxygen level in blood climbs to normal.

24 Hours After You Quit Smoking

  • Possibility of having a heart attack lessens.

2 Days After You Quit Smoking

  • Senses of smell and taste start to improve.

2 Weeks to 3 Months After You Quit Smoking

  • Circulation gets better.
  • Lung function improves.

1 Month to 9 Months After You Quit Smoking

  • Coughing decreases.
  • Sinus congestion decreases.
  • You get less fatigued.
  • Shortness of breath decreases.
  • Cilia in your lungs start functioning normally again.

1 Year After You Quit Smoking

  • Extra risk of coronary heart disease is about half of what it would be if you had continued to smoke.

5 Years After You Quit Smoking

  • In 5 to 15 years your risk of stroke is decreased to that of a nonsmoker's.

10 Years After You Quit Smoking

  • Risk of dying of lung cancer is about half of what it would be if you had continued to smoke.
  • Risk of cancers in other parts of your body (mouth, throat, esophagus, bladder, kidneys, pancreas) decreases.

15 Years After You Quit Smoking

  • Your risk of coronary heart disease is the same as it would be had you never smoked.
  • Your risk of death is nearly the same as it would be had you never smoked.

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