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Quit Smoking
Quit Smoking
Quit Smoking
Quit Smoking
Quit Smoking
Quit Smoking
Quit Smoking
Quit Smoking
Quit Smoking
Quit Smoking
Quit Smoking
Quit Smoking
Quit Smoking
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Quit Smoking

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Smoking is injurious to health

Smoking is injurious to health

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  • This chart illustrates the range of risks facing smokers and the greater likelihood of death arising from a smoking related disease.
  • This is from the 40 year follow up of a cohort of British doctors. It illustrates an average loss of life of about 7.5 years and shows that any given age survival rates for smokers are considerably lower. The use of doctors eliminates any social class or income bias.
  • This outlines the type of benefits to be expected. With lung cancer the risk accumulates during a smoking career but does not diminish on cessation, it just stops increasing. Unless the heart has been irreversibly damaged by actual CHD, the heart disease risk gradually subsides to that of a non-smoker over about 10 years. All of us lose lung function as we age – quitting smoking returns the decline in lung function non-smokers.
  • These charts show the impact of quitting smoking on total mortality – the massage is that there are benefits at any age, but these are greater the earlier cessation takes place.
  • These are some other benefits found in the literature.
  • Studies have found a variety of improvements following smoking cessation.
  • Transcript

    • 1. <ul><li>QUIT SMOKING </li></ul><ul><li>BY </li></ul><ul><li>Arindam Baral </li></ul>
    • 2. Health risks of smoking <ul><li>Principal fatal diseases caused by smoking are cancer, COPD and CVD </li></ul><ul><li>In addition, smoking is an important cause of morbidity </li></ul><ul><li>Risks are dose and duration dependent </li></ul><ul><li>On average, cigarette smokers lose 7.5 years of life </li></ul>
    • 3. Diseases Caused by Smoking: CPSII Study: Men
    • 4. Overall risk to smokers and never-smokers 40 55 70 85 100 Age 0 20 40 60 80 100 % Alive 59 12 80 33 80 33 Doll et al BMJ 1994 7.5 years Current cigarette smokers Never smoked regularly
    • 5. Health benefits of smoking cessation <ul><li>Increased longevity </li></ul><ul><li>Stabilisation of lung cancer risk (but not absolute decline) </li></ul><ul><li>Heart disease risk declines towards non-smoker level over 10 years </li></ul><ul><li>Accelerated decline in lung function reduced </li></ul><ul><li>Improved reproductive health </li></ul><ul><li>Improved recovery from surgery </li></ul>
    • 6. Effects of quitting <ul><li>20 mins: </li></ul><ul><li>8 hours: </li></ul><ul><li>24 hours: </li></ul><ul><li>48 hours: </li></ul><ul><li>72 hours: </li></ul><ul><li>blood pressure and pulse rate return to normal </li></ul><ul><li>blood nicotine &amp; CO halved, oxygen back to normal </li></ul><ul><li>CO eliminated; lungs start to clear mucus etc. </li></ul><ul><li>nicotine eliminated; senses of taste &amp; smell much improved. </li></ul><ul><li>breathing easier; bronchial tubes begin to relax; energy levels increase </li></ul>Source: Health Education Authority
    • 7. Effects of quitting <ul><li>2-12 weeks: </li></ul><ul><li>3-9 months: </li></ul><ul><li>5 years: </li></ul><ul><li>10 years: </li></ul><ul><li>circulation improves. </li></ul><ul><li>lung function increased by &lt;10%; coughs, wheezing decrease </li></ul><ul><li>risk of heart attack halved. : </li></ul><ul><li>risk of lung cancer halved compared to continued smoking; </li></ul><ul><li>risk of heart attack equal to never-smoker’s. </li></ul>Source: Health Education Authority
    • 8. Effects of cessation on total mortality <ul><li>One half of all cigarette smokers will be killed by smoking </li></ul><ul><li>Those who stop smoking before 35 years of age avoid almost all of the excess risk </li></ul><ul><li>Between the ages of 35 and 69, 41% of smokers will die compared with 20% of non-smokers </li></ul><ul><li>For every five smokers that quit before middle age, one avoids premature death </li></ul>
    • 9. 40 55 70 85 100 Age 0 20 40 60 80 100 % Alive 40 55 70 85 100 Age 0 20 40 60 80 100 % Alive Former smokers stopped 35-44 Former smokers stopped 45-54 Former smokers stopped 65+ Former smokers stopped 55-64 Effects on survival after ages 45, 55, 65 &amp; 75 of stopping smoking in previous decade Doll et al BMJ 1994 40 55 70 85 100 Age 0 20 40 60 80 100 % Alive 40 55 70 85 100 Age 0 20 40 60 80 100 % Alive
    • 10. Effects of cessation on cancer <ul><li>At age 40, 1 in 8 men; at age 30, 1 in 7 men that stop smoking avoid lung cancer </li></ul><ul><li>Former smokers reduce their incidence of laryngeal, oral cavity &amp; oesophagus, pancreatic, colorectal, and urinary tract cancer </li></ul>
    • 11. Blood pressure, stroke, renal function <ul><li>Blood pressure increased (independently of body weight) after cessation in several long-term studies </li></ul><ul><li>24-hour BP monitoring showed daytime lowering of BP after 1 week of cessation (Hypertension 1999;33:586) </li></ul><ul><li>Former smokers have decreased carotid artery stenosis compared to current smokers </li></ul><ul><li>Cessation reduces risk of stroke to non-smoker level after 5 years </li></ul><ul><li>Drug treatment of hypertension is less effective in smokers </li></ul><ul><li>Former smokers have less renal function abnormalities than continuing smokers </li></ul>
    • 12. Other benefits of cessation <ul><li>Risk of bone loss, hip fracture and periodontal disease minimised by cessation </li></ul><ul><li>Rheumatoid arthritis risk reduced </li></ul><ul><li>Cataract risk reduced </li></ul><ul><li>Aortic aneurysm </li></ul><ul><li>Peripheral arterial disease </li></ul><ul><li>Others </li></ul>
    • 13. <ul><li>THANK YOU </li></ul><ul><li>&amp; </li></ul><ul><li>NO SMOKING </li></ul>

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