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The benefits of stopping smoking

  • Within 20 minutes, your blood pressure and pulse rate will return to normal. Circulation improves in your hands and feet, making them warmer.
  • Within eight hours of stopping, the oxygen level in your blood will rise to normal and your carbon monoxide level will fall.
  • Within 24 hours, carbon monoxide is eliminated from the body and the lungs start to clear out the build up of tar
  • Within 24 hours, the chance of you suffering a heart attack and stroke begins to fall.
  • Within 48 hours, there is no nicotine left in the body. Taste and smell are greatly improved
  • Within 72 hours, you can hold more air in your lungs. Breathing becomes easier. Your energy levels increase.
  • Within days, your blood is less likely to clot.
  • Within five years, the risk of a heart attack falls to about half that of a smoker.
  • Within 10 years, risk of lung cancer is halved
  • Within 10 years, you will have about the same risk of heart disease as someone who has never smoked.

For more informaiton and advice telephone the National Smokers' Quitline on 1850 201 203


Last updated 26 January 2012 by Health Promotion: healthp@tcd.ie .