HLSC 3473U Lecture Notes - Lecture 12: Chronic Obstructive Pulmonary Disease, Passive Smoking, Cervical Cancer
18 Mar 2019
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Document Summary
Tobacco is the most important cause of lung cancer globally: goal is to have one generation that does not smoke. In canada, 1 in 5 adults are tobacco smokers (20% prevalence: this is low compared to other countries, very high though considering the public health interventions we have in place to control active smoking. Spirometry is a way to tell how much smoking has damaged the lungs and airways: forced expiratory volume is a good marker of this. In a normal person, it will be 4l but if there is damage, it will be 2l: lungs lose elastin with damage leading to a loss of compliance. Stage 1 t1, n0, m0; t1, n1, m0; t2, n0, m0. Public health initiatives for smoking work: trends in lung cancer change as a result of them. In the 50s and 60s, first evidence came out that smoking caused cancer. In the 70s, ads for cigarettes were banned.
