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Timeline For Quit Smoking

Quitting smoking is a challenging but worthwhile endeavor. Here’s a general timeline of what you can expect after quitting smoking:

First 20 minutes to 12 hours

Within 20 minutes of quitting, your heart rate and blood pressure start to decrease.
After 8 hours, the carbon monoxide levels in your blood decrease, allowing oxygen levels to return to normal.

24 to 48 hours

  • Your body starts to eliminate nicotine and its byproducts.
  • Your sense of smell and taste begins to improve.

2 weeks to 3 months

  • Circulation improves, and lung function increases.
  • You may experience reduced coughing and shortness of breath.
  • Your risk of heart attack starts to decrease.

1 to 9 months

  • Cilia, tiny hair-like structures in the lungs, regain normal function, helping to clear mucus and reduce the risk of infections.
  • Lung function continues to improve.

1 year

Your risk of coronary heart disease is halved compared to that of a smoker.

5 years

  • Your risk of stroke is significantly reduced.
  • The risk of various cancers, such as lung, mouth, throat, esophagus, and bladder, decreases.
  • The risk of cervical cancer also decreases.

10 years

  • Your risk of dying from lung cancer is approximately half that of a smoker.
  • The risk of other smoking-related cancers, such as those affecting the pancreas, kidney, and liver, decreases.
  • The risk of developing COPD (chronic obstructive pulmonary disease) decreases.

15 years

Your risk of coronary heart disease is similar to that of a nonsmoker.

It’s important to note that everyone’s quitting journey is different, and individual experiences may vary. Additionally, it’s essential to stay committed to a smoke-free lifestyle and maintain healthy habits to fully reap the benefits of quitting smoking.


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