44 - The Great Smog

What was behind the mysterious increase in lung cancer deaths at the turn of the 20th century? The first of a three-parter investigating the cigarette-smoking link and causality, this episode looks at that early debate, which largely focused on environmental pollution. Along the way, we're going to talk about toxic vapors -- and not Miasma theory, but the actual literal Great Smog of London in 1952 that killed over 10,000 people -- as well as the birth of the case-control study, Nazi attempts at tobacco control programs, and the rather prosaic beginnings of a debate that rages to this day. Plus a new #AdamAnswers about the medical cause of Game of Thrones greyscale featuring Dr. Jules Lipoff!   Sources: Bell, M. L., Davis, D. L. & Fletcher, T. A retrospective assessment of mortality from the London smog episode of 1952: the role of influenza and pollution. Environ Health Persp 112, 6–8 (2003). Brunekreef B, Air Pollution and Life Expectancy: Is There a Relation? Occupational and Environmental Medicine, Vol. 54, No. 11 (Nov., 1997), pp. 781-784. Des Voeux HC, Smoke and Fog, The Lancet, 1679-1680 (1904). Logan WPD, Mortality in the London Fog Incident, 1952. The Lancet, 336-338 (1953). Heirdorn KC, The Weather Doctor's Weather Almanac: The Infamous London Smog of 1952, 2012. HOFFMAN, F. L. CANCER AND SMOKING HABITS. Ann Surg 93, 50–67 (1931). Morabia, A. Quality, originality, and significance of the 1939 "Tobacco consumption and lung carcinoma" article by Mueller, including translation of a section of the paper. Prev Med 55, 171–177 (2012). Ochsner, A. My first recognition of the relationship of smoking and lung cancer. Prev Med 2, 611–614 (1973). Ochsner, A. & bakey. Primary pulmonary malignancy: treatment by total pneumonectomy; analysis of 79 collected cases and presentation of 7 personal cases. Ochsner J 1, 109–25 (1999). Parascandola, M. Two approaches to etiology: the debate over smoking and lung cancer in the 1950s. Endeavour 28, 81–86 (2004). Press, D. J. & Pharoah, P. Risk Factors for Breast Cancer. Epidemiology 21, 566–572 (2010). Proctor, R. Angel H Roffo: the forgotten father of experimental tobacco carcinogenesis. B World Health Organ 84, 494–495 (2006). Proctor, R. N. The anti-tobacco campaign of the Nazis: a little known aspect of public health in Germany, 1933–45. Bmj 313, 1450 (1996). Proctor, R. On playing the Nazi card. Tob Control 17, 289–290 (2008). Winkelstein, W. Vignettes of the History of Epidemiology: Three Firsts by Janet Elizabeth Lane-Claypon. Am J Epidemiol 160, 97–101 (2004). Proctor R, The history of the discovery of the cigarette–lung cancer link: evidentiary traditions, corporate denial, global toll. Tobacco Control. 21:2 (2013).

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