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What to Expect When You Quit

Changes Your Body Goes Through When You Quit Smoking

Within 20 minutes of the last cigarette:

  • Blood pressure and pulse rate drop to normal 
  • Body temperature of hands and feet increase 

Within 9 Hours:

  • Carbon monoxide level in blood drops to normal
  • Oxygen level in blood increases to normal

Within 24 Hours:

  • Chance of heart attack decreases

Within 48 Hours:

  • Nerve endings start to regrow
  • Ability to smell and taste things is enhanced

Within 72 Hours:

  • Bronchial tubes relax, making breathing easier 
  • Lung capacity increases

Within 2 Weeks to 3 Months:

  • Circulation improves
  • Walking becomes easier
  • Lung function increases up to 30%

Within 2 to 9 Months:

  • Coughing, sinus congestion, fatigue, shortness of breath decreases
  • Cilia regrow in lungs, increasing ability to handle mucus, clean the lungs, reduce infection
  • Body’s overall energy level increases

Within 5 Years:

  • Lung cancer rate for the average smoker decreases from 137/100,000 people to 72/100,000

Within 10 Years:

  • Lung cancer rate drops to 12/100,000 people
  • Precancerous cells are replaced
  • Decrease in other cancers such as those of the mouth, larynx, esophagus, bladder, kidney and pancreas

Within 15 Years:

  • Chances of many types of cancer are similar to that of someone who has never smoked