Department of Epidemiology - Marylandstudy from Roswell Park in JAMA Ernst L. Wynder and Evarts...
Transcript of Department of Epidemiology - Marylandstudy from Roswell Park in JAMA Ernst L. Wynder and Evarts...
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Department of Epidemiology
Tobacco’s TollJonathan Samet, MD, MS
November 15, 2006Baltimore, MDBaltimore, MD
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Tobacco History1 BC Early use in the Americas, including smoking, chewing and tobacco enemas
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Tobacco History1492 “Discovered” by Columbus in the Americas
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Camel Cigarettes
JM S
amet
• October 13, 1913, R.J. Reynolds Tobacco Company introduced Camels, the first modern blended cigarette, and launched the first US cigarette-advertising campaign
• 1920s: women first became the targets of the tobacco companies
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Camel Marketing to Youth: Meet Joe Camel
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Camel Wides Marketed to Men
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RJ Reynolds first launched Red Kamelcigarettes in 1913 as an up-scale companion to the more plebian Camel. Like many upwardly mobile products, Red Kamels did not survive the depression, and were dropped in 1936. In 1996 they resurfaced…
Source: http://www.smoke-free.ca/filtertips_001/redkamel.htm
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Kamel Reds
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Kamel Marketing to Youth
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Poland Spain
"Camel. He grew up to be kind."
“Have an intense pleasure with your Camel’
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Number of Male and Female Lung Cancer Deaths, US 1930-2000
010,00020,00030,00040,00050,00060,00070,00080,00090,000
100,00019
00
1910
1920
1930
1940
1950
1960
1970
1980
1990
2000
Male deathsFemale deaths
Wingo PA et al Cancer 2003 97(12 Suppl):3133-275; data include cancer of the bronchus, trachea, and pleura; 2000 data from National Vital Statistics Reports, September 16, 2002;50(15).
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Early Recognition of the Epidemic by Clinicians
•Clinical series reported•Hypotheses offered
concerning smoking and other factors
•Some case-control likestudies
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Ochsner and DeBakey--1939“In our opinion the increase in smoking with the universal custom of inhaling is probably a responsible factor, as the inhaled smoke, constantly repeated over a long period of time, undoubtedly is a sources of chronic irritation to the bronchial mucosa.”
(Ochsner and DeBakeySurg Gyn Ob 1939; 68:435)
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Raymond Pearl, 1938: Smoking Shortens Lifespan
Source: Pearl, Science 1938Raymond Pearl, 1879-1940
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1950: Case-Control Studies1950 Three Key Case-
Control Studies:
Morton Levin publishes study from Roswell Park in JAMA
Ernst L. Wynder and Evarts A.Graham publish study in JAMA- 96.5% of lung cancer patients smoked
Richard Doll and Bradford Hill publish study in BMJ finding that heavy smokers are at 50X greater risk for lung cancer
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Dr. Morton Levin, 1950Dr. Levin was
lecturing on the subject (cigarette smoking and lung cancer) at the Sorbonne. Interviewed by the French press, he was asked if he himself was a smoker. Dr. Levin replied, “Gentlemen, I have just quit.”
Photo: The Department of Epidemiology at the Johns Hopkins School of Hygiene and Public Health, circa 1936 (Source: Dept. Archives)
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Source: Doll et al. BMJ 2004
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Judge Kessler Speaks: “An immeasurable amount of human
suffering”
The tobacco industry has“marketed and sold their lethal product with zeal, with deception, with a single-minded focus on their financial success and without regard for the human tragedy or social costs that success exacted.”
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The Final Opinion
“Judge Gladys Kessler's scorn for the tobacco industry was evident in her 1,742-page opinion last week, which found that nine cigarette manufacturers and two trade groups had conspired to hide the truth about smoking's adverse health consequences for more than 50 years.”
Source: Emma SchwartzLegal Times
August 22, 2006
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Relative Risk of Lung Cancer by Cigarettes Smoked Per Day: Current vs. Never Smokers
Samet, 1999
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Relative Risk of Lung Cancer by Number of Years Quit Smoking: Current vs. Never Smokers
Samet, 1999
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Luther Terry:The 1964 SG
Report
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Harm Reduction
1950s Filter cigarettes1970s Low tar and nicotine1989 PM tests and abandons
“Premier”1990s Nicotine replacement
therapy2000s Alternative nicotine
delivery products, like Eclipse
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Multi-Country Study: Cotinine Level by Number of Cigarettes in Past 24 hrs
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The 2004 Report of the US Surgeon General
• Systematic evidencereview
•Effects of active smoking•Specific diseases•Diminished health•Web-based data system•Public report and website
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Larynx: 1980Esophagus: 1982
Kidney: 1982
Nasal & Oral pharynx: 1982
Coronary heart disease: 1979
Stomach: 2002
Cervix: 2002
Liver: 2002
Stroke: 1983
Aortic aneurysm: 1983Atherosclerotic peripheral vascular disease: 1983
Lung: 1964
Chronic obstructive pulmonary disease (COPD): 1964
Bladder: 1990
Pancreas: 1990
Leukemia: 2002
Ureter: 1990
http://www.cdc.gov/tobacco/sgr/sgr_2004
Cataract: 2004
Diminished Health: 2004
Most Recent Scientific Evidence: Active Smoking
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Examples of ‘Novel’ Products
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Deaths Attributable to Cigarette Smoking - U.S.
Stroke, 17,436
Ischemic Heart
Disease, 86,801
Other Cancers, 34,693
Lung Cancer, 123,826
Chronic lung
disease, 90,582
Other diagnoses, 84,654
Source: CDC SAMMEC, MMWR 1993; 42:645-9.
Source: CDC, MMWR 2005; 54(25);625-628
Stroke, 23,000
Ischemic Heart
Disease, 99,000
Other Cancers, 31,000Lung
Cancer, 120,000
Chronic lung
disease, 65,000
Other diagnoses, 80,000
19991999 20012001
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Secondhand Smoke
SidestreamSidestreamsmokesmoke
Exhaled Exhaled mainstream mainstream
smokesmoke
SidestreamSidestream + exhaled mainstream smoke = SHS+ exhaled mainstream smoke = SHS
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The 1972 Surgeon General’s Report
Jesse L. Steinfield, Surgeon General, 1969-1973
Source: National Library of Medicine and US Public Health Service
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Lung Cancer Mortality in Women According to the Presence or Absence of Direct and Familial
Indirect Smoking (Hirayama 1981)
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The House of Koop--1986
Bill Lynn (OSH), Dave Burns (Senior Editor), and Don Shopland (OSH)–Part of the 1986 SG Report team – in front of Dr. Koop’s house on the NIH campus.
Source: Jon Samet’s personal collection
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1986 Surgeon General’s Report
C. Everett Koop, M.D.Former U.S. Surgeon General
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Passive Smoking and Lung Cancer--1986
“Involuntary smoking is a cause of disease, including lung cancer, in health nonsmokers.”
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The 2006 SGR: The ReleaseJune 27, 2006
Phot
os c
ourt
esy
of O
SH/C
DC
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The 2006 Report of the US Surgeon General
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Major Conclusions (1-3) of the 2006 Surgeon General’s Report
• 1. Secondhand smoke causes premature death and disease in children and in adults who do not smoke.
• 2. Children exposed to secondhand smoke are at increased risk for sudden infant death syndrome (SIDS), acute respiratory infections, ear problems, and more severe asthma. Smoking by parents causes respiratory symptoms and slows lung growth in their children.
• 3. Exposure of adults to secondhand smoke has immediate adverse effects on the cardiovascular system and causes coronary heart disease in children.
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Major Conclusions (4-6) of the 2006 Surgeon General’s Report
• 4. The scientific evidence indicates that there is no risk-free level of exposure to secondhand smoke.
• 5. Many millions of Americans, both children and adults, are still exposed to secondhand smoke in their homes and workplaces, despite substantial progress in tobacco control.
• 6. Eliminating smoking in indoor spaces fully protects nonsmokers from exposure to secondhand smoke. Separating smokers from nonsmokers, cleaning the air, and ventilating buildings cannot eliminate exposure of nonsmokers to secondhand smoke.
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Diseases and Adverse Health Effects Caused by Secondhand Smoke
Adults•Lung Cancer•Heart Disease
Children•SIDS
•Exacerbation of Asthma
•Chronic Respiratory Illness
•Reduced Lung Function Growth
•Middle Ear Disease•Acute Respiratory
Illness
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2005 California EPA Report:Attributable Risks Associated with SHS
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The Changing Epidemic
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World Consumption Has Increased in the Last 5 Years Due to Increasing
Consumption in the Developing World
World Cigarette Consumption in 1996: 5280 billion pieces
DevelopingWorld
68%
DevelopedWorld
32%
World Cigarette Consumption in 2001: 5364 billion pieces
Developed World
28%Developing World
72%
Source: USDA data 1996-2001
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Smoking Worldwide
Mackay et al. The Tobacco Atlas
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Global Cigarette Consumption
Mackay et al. The Tobacco Atlas
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Global distribution of mortality attributable to 20 leading selected risk factors
0 1000 2000 3000 4000 5000 6000 7000 8000
High blood pressure
Tobacco
High cholesterol
Underweight
Unsafe sex
Low fruit and vegetable intake
High BMI
Physical inactivity
Alcohol
Unsafe water, sanitation, and hygiene
Indoor smoke from solid fuels
Iron deficiency
Urban air pollution
Zinc deficiency
Vitamin A deficiency
Unsafe health care injections
Occupational airborne particulates
Occupational risk factors for injury
Lead exposure
Illicit drugs
Attributable mortality in thousands (Total 55,861)
High-mortality developingLower-mortality developingDeveloped
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Burden of Disease Due to Leading Global Risk Factors--DALYs
Ezzati et al. Lancet 2002; 360: 1347-60
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tobacco poses a major obstacle to children’s
rights, infringing on their basic health and
welfare...
over 700 million children are exposed to second-hand smoke
Courtesy of D. Yach
The Global Tobacco Burden:Youth
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Global Youth Tobacco Survey (GYTS)
Percent of Youth Currently Using Any Tobacco Product
16.822.2
15.319.8
12.9 11.4
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Warren et al. Lancet. 2006 Mar 4;367(9512):749-53
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Success in the United States
Educate Adults
Educate Youth
Clean indoor air
Medical Treatment, Taxation, Product Regulation
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Good News in MD
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What is the FCTC?
• Global evidence-based treaty designed to circumscribe the global rise and spread of the tobacco epidemic
– Addresses secondhand smoke protections, tobacco taxation, tobacco product regulation, cigarette smuggling, public education, and cessation treatment
Continued
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What is the FCTC?
• First time WHO Member States have harnessed the organization’s capacity to develop a binding international convention to protect and promote global public health
• First time that low, medium, and high income countries have united to develop a collective response to chronic diseases
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FCTC Final Treaty Text• Introduction• Objectives, guiding principles and general
obligations• Measures relating to the reduction of demand for
tobacco• Measures relating to the reduction of the supply of
tobacco• Protection of the environment• Questions related to liability• Scientific and technical cooperation and
communication of information
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Source: The New York Times Magazine, 10/01/06
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Bloomberg Initiative
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More Information• US Surgeon General’s website:
http://www.surgeongeneral.gov/
• CDC Office on Smoking and Health (includes access to all SGR reports on smoking): http://www.cdc.gov/tobacco/sgr/index.htm
• Institute for Global Tobacco Control at the Johns Hopkins Bloomberg School of Public Health: http://www.jhsph.edu/global_tobacco/
• Global Tobacco Research Network (includes The Tobacco Atlas online): http://www.tobaccoresearch.net/