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Matt GE, Greiner L, Record RA, Wipfli H, Long J, Dodder NG, Hoh E, Lopez Galvez N, Novotny TE, Quintana PJE, Destaillats H, Tang X, Snijders AM, Mao JH, Hang B, Schick S, Jacob P, Talbot P, Mahabee-Gittens EM, Merianos AL, Northrup TF, Gundel L, Benowitz NL. Policy-relevant differences between secondhand and thirdhand smoke: strengthening protections from involuntary exposure to tobacco smoke pollutants. Tob Control 2023:tc-2023-057971. [PMID: 37263783 DOI: 10.1136/tc-2023-057971] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/21/2023] [Accepted: 05/16/2023] [Indexed: 06/03/2023]
Abstract
Starting in the 1970s, individuals, businesses and the public have increasingly benefited from policies prohibiting smoking indoors, saving thousands of lives and billions of dollars in healthcare expenditures. Smokefree policies to protect against secondhand smoke exposure, however, do not fully protect the public from the persistent and toxic chemical residues from tobacco smoke (also known as thirdhand smoke) that linger in indoor environments for years after smoking stops. Nor do these policies address the economic costs that individuals, businesses and the public bear in their attempts to remediate this toxic residue. We discuss policy-relevant differences between secondhand smoke and thirdhand smoke exposure: persistent pollutant reservoirs, pollutant transport, routes of exposure, the time gap between initial cause and effect, and remediation and disposal. We examine four policy considerations to better protect the public from involuntary exposure to tobacco smoke pollutants from all sources. We call for (a) redefining smokefree as free of tobacco smoke pollutants from secondhand and thirdhand smoke; (b) eliminating exemptions to comprehensive smoking bans; (c) identifying indoor environments with significant thirdhand smoke reservoirs; and (d) remediating thirdhand smoke. We use the case of California as an example of how secondhand smoke-protective laws may be strengthened to encompass thirdhand smoke protections. The health risks and economic costs of thirdhand smoke require that smokefree policies, environmental protections, real estate and rental disclosure policies, tenant protections, and consumer protection laws be strengthened to ensure that the public is fully protected from and informed about the risks of thirdhand smoke exposure.
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Affiliation(s)
- Georg E Matt
- Department of Psychology, San Diego State University, San Diego, CA, USA
| | - Lydia Greiner
- Department of Psychology, San Diego State University, San Diego, CA, USA
| | - Rachael A Record
- School of Communication, San Diego State University, San Diego, CA, USA
| | - Heather Wipfli
- Keck School of Medicine, University of Southern California, Los Angeles, CA, USA
| | - Jamie Long
- Public Health Law Center, Mitchell Hamline School of Law, University of Minnesota, St Paul, MN, USA
| | - Nathan G Dodder
- School of Public Health, San Diego State University, San Diego, CA, USA
| | - Eunha Hoh
- School of Public Health, San Diego State University, San Diego, CA, USA
| | | | - Thomas E Novotny
- School of Public Health, San Diego State University, San Diego, CA, USA
| | | | - Hugo Destaillats
- Indoor Environment Group, Lawrence Berkeley National Laboratory, Berkeley, CA, USA
| | - Xiaochen Tang
- Indoor Environment Group, Lawrence Berkeley National Laboratory, Berkeley, CA, USA
| | - Antoine M Snijders
- Biological Systems and Engineering Division, Lawrence Berkeley National Laboratory, Berkeley, CA, USA
| | - Jian-Hua Mao
- Biological Systems and Engineering Division, Lawrence Berkeley National Laboratory, Berkeley, CA, USA
| | - Bo Hang
- Biological Systems and Engineering Division, Lawrence Berkeley National Laboratory, Berkeley, CA, USA
| | - Suzaynn Schick
- School of Medicine, University of California San Francisco, San Francisco, CA, USA
| | - Peyton Jacob
- School of Medicine, University of California San Francisco, San Francisco, CA, USA
| | - Prue Talbot
- Department of Molecular, Cell, and Systems Biology, University of California Riverside, Riverside, CA, USA
| | - E Melinda Mahabee-Gittens
- Department of Pediatrics, Division of Emergency Medicine Cincinnati Children's Hospital Medical Center, University of Cincinnati College of Medicine, Cincinnati, OH, USA
| | - Ashley L Merianos
- School of Human Services, University of Cincinnati, Cincinnati, OH, USA
| | - Thomas F Northrup
- Department of Family & Community Medicine, University of Texas Health Science Center at Houston, McGovern Medical School, Houston, TX, USA
| | - Lara Gundel
- Indoor Environment Group, Lawrence Berkeley National Laboratory, Berkeley, CA, USA
| | - Neal L Benowitz
- School of Medicine, University of California San Francisco, San Francisco, CA, USA
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Tang X, Benowitz N, Gundel L, Hang B, Havel CM, Hoh E, Jacob Iii P, Mao JH, Martins-Green M, Matt GE, Quintana PJE, Russell ML, Sarker A, Schick SF, Snijders AM, Destaillats H. Thirdhand Exposures to Tobacco-Specific Nitrosamines through Inhalation, Dust Ingestion, Dermal Uptake, and Epidermal Chemistry. Environ Sci Technol 2022; 56:12506-12516. [PMID: 35900278 DOI: 10.1021/acs.est.2c02559] [Citation(s) in RCA: 10] [Impact Index Per Article: 5.0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 06/15/2023]
Abstract
Tobacco-specific nitrosamines (TSNAs) are emitted during smoking and form indoors by nitrosation of nicotine. Two of them, N'-nitrosonornicotine (NNN) and 4-(methylnitrosamino)-1-(3-pyridyl)-1-butanone (NNK), are human carcinogens with No Significant Risk Levels (NSRLs) of 500 and 14 ng day-1, respectively. Another TSNA, 4-(methylnitrosamino)-4-(3-pyridyl) butanal (NNA), shows genotoxic and mutagenic activity in vitro. Here, we present additional evidence of genotoxicity of NNA, an assessment of TSNA dermal uptake, and predicted exposure risks through different pathways. Dermal uptake was investigated by evaluating the penetration of NNK and nicotine through mice skin. Comparable mouse urine metabolite profiles suggested that both compounds were absorbed and metabolized via similar mechanisms. We then investigated the effects of skin constituents on the reaction of adsorbed nicotine with nitrous acid (epidermal chemistry). Higher TSNA concentrations were formed on cellulose and cotton substrates that were precoated with human skin oils and sweat compared to clean substrates. These results were combined with reported air, dust, and surface concentrations to assess NNK intake. Five different exposure pathways exceeded the NSRL under realistic scenarios, including inhalation, dust ingestion, direct dermal contact, gas-to-skin deposition, and epidermal nitrosation of nicotine. These results illustrate potential long-term health risks for nonsmokers in homes contaminated with thirdhand tobacco smoke.
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Affiliation(s)
- Xiaochen Tang
- Indoor Environment Group, Lawrence Berkeley National Laboratory, Berkeley, California 94720, United States
| | - Neal Benowitz
- Clinical Pharmacology Program, Division of Cardiology, Department of Medicine, University of California San Francisco, San Francisco, California 94143, United States
| | - Lara Gundel
- Indoor Environment Group, Lawrence Berkeley National Laboratory, Berkeley, California 94720, United States
| | - Bo Hang
- Bioengineering & Biomedical Sciences Department, Biological Systems & Engineering Division, Lawrence Berkeley National Laboratory, Berkeley, California 94720, United States
| | - Christopher M Havel
- Clinical Pharmacology Program, Division of Cardiology, Department of Medicine, University of California San Francisco, San Francisco, California 94143, United States
| | - Eunha Hoh
- School of Public Health, San Diego State University, San Diego, California 92182, United States
| | - Peyton Jacob Iii
- Clinical Pharmacology Program, Division of Cardiology, Department of Medicine, University of California San Francisco, San Francisco, California 94143, United States
| | - Jian-Hua Mao
- Bioengineering & Biomedical Sciences Department, Biological Systems & Engineering Division, Lawrence Berkeley National Laboratory, Berkeley, California 94720, United States
| | - Manuela Martins-Green
- Department of Molecular, Cell and Systems Biology, University of California Riverside, Riverside, California 92506, United States
| | - Georg E Matt
- Department of Psychology, San Diego State University, San Diego, California 92182, United States
| | - Penelope J E Quintana
- School of Public Health, San Diego State University, San Diego, California 92182, United States
| | - Marion L Russell
- Indoor Environment Group, Lawrence Berkeley National Laboratory, Berkeley, California 94720, United States
| | - Altaf Sarker
- Bioengineering & Biomedical Sciences Department, Biological Systems & Engineering Division, Lawrence Berkeley National Laboratory, Berkeley, California 94720, United States
| | - Suzaynn F Schick
- Clinical Pharmacology Program, Division of Cardiology, Department of Medicine, University of California San Francisco, San Francisco, California 94143, United States
| | - Antoine M Snijders
- Bioengineering & Biomedical Sciences Department, Biological Systems & Engineering Division, Lawrence Berkeley National Laboratory, Berkeley, California 94720, United States
| | - Hugo Destaillats
- Indoor Environment Group, Lawrence Berkeley National Laboratory, Berkeley, California 94720, United States
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Jacob P, Benowitz NL, Destaillats H, Gundel L, Hang B, Martins-Green M, Matt GE, Quintana PJE, Samet JM, Schick SF, Talbot P, Aquilina NJ, Hovell MF, Mao JH, Whitehead TP. Thirdhand Smoke: New Evidence, Challenges, and Future Directions. Chem Res Toxicol 2017; 30:270-294. [PMID: 28001376 PMCID: PMC5501723 DOI: 10.1021/acs.chemrestox.6b00343] [Citation(s) in RCA: 148] [Impact Index Per Article: 21.1] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/08/2023]
Abstract
Thirdhand smoke (THS) is the contamination that persists after secondhand tobacco smoke has been emitted into air. It refers to the tobacco-related gases and particles that become embedded in materials, such as the carpet, walls, furniture, blankets, and toys. THS is not strictly smoke, but chemicals that adhere to surfaces from which they can be released back into the air, undergo chemical transformations and/or accumulate. Currently, the hazards of THS are not as well documented as the hazards of secondhand smoke (SHS). In this Perspective, we describe the distribution and chemical changes that occur as SHS is transformed into THS, studies of environmental contamination by THS, human exposure studies, toxicology studies using animal models and in vitro systems, possible approaches for avoiding exposure, remediation of THS contamination, and priorities for further research.
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Affiliation(s)
- Peyton Jacob
- Division of Clinical Pharmacology and Experimental herapeutics, Departments of Psychiatry and Medicine, University of California, San Francisco, California 94143, United States
| | - Neal L. Benowitz
- Division of Clinical Pharmacology and Experimental Therapeutics, Medical Service, Departments of Medicine, and Bioengineering & Therapeutic Sciences, University of California, San Francisco, California 94143, United States
- Center for Tobacco Control Research and Education, University of California, San Francisco, California 94143, United States
| | - Hugo Destaillats
- Indoor Environment Group, Lawrence Berkeley National Laboratory, Berkeley, California 94720, United States
| | - Lara Gundel
- Indoor Environment Group, Lawrence Berkeley National Laboratory, Berkeley, California 94720, United States
| | - Bo Hang
- Biological Systems & Engineering, Lawrence Berkeley National Laboratory, Berkeley, California 94720, United States
| | - Manuela Martins-Green
- Department of Cell Biology and Neuroscience, University of California Riverside 92521, United States
| | - Georg E. Matt
- Department of Psychology, San Diego State University, San Diego, California 92182, United States
| | - Penelope J. E. Quintana
- Graduate School of Public Health, San Diego State University, San Diego, California 92182, United States
| | - Jonathan M. Samet
- Department of Preventive Medicine, The Keck School of Medicine, University of Southern California, Los Angeles, California, 90089, United States
| | - Suzaynn F. Schick
- Division of Occupational and Environmental Medicine, School of Medicine, University of California, San Francisco, California 94143, United States
| | - Prue Talbot
- Department of Cell Biology and Neuroscience, University of California Riverside 92521, United States
| | - Noel J. Aquilina
- Department of Geosciences, University of Malta, Msida, MSD 2080, Malta
| | - Melbourne F. Hovell
- Graduate School of Public Health, San Diego State University, San Diego, California 92182, United States
| | - Jian-Hua Mao
- Biological Systems & Engineering, Lawrence Berkeley National Laboratory, Berkeley, California 94720, United States
| | - Todd P. Whitehead
- The Center or Integrative Research on Childhood Leukemia and the Environment, School of Public Health, University of California, Berkeley, 94704, United States
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Apelberg BJ, Hepp LM, Avila-Tang E, Gundel L, Hammond SK, Hovell MF, Hyland A, Klepeis NE, Madsen CC, Navas-Acien A, Repace J, Samet JM, Breysse PN. Environmental monitoring of secondhand smoke exposure. Tob Control 2012; 22:147-55. [PMID: 22949497 PMCID: PMC3639351 DOI: 10.1136/tobaccocontrol-2011-050301] [Citation(s) in RCA: 98] [Impact Index Per Article: 8.2] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/25/2022]
Abstract
The complex composition of secondhand smoke (SHS) provides a range of constituents that can be measured in environmental samples (air, dust and on surfaces) and therefore used to assess non-smokers' exposure to tobacco smoke. Monitoring SHS exposure (SHSe) in indoor environments provides useful information on the extent and consequences of SHSe, implementing and evaluating tobacco control programmes and behavioural interventions, and estimating overall burden of disease caused by SHSe. The most widely used markers have been vapour-phase nicotine and respirable particulate matter (PM). Numerous other environmental analytes of SHS have been measured in the air including carbon monoxide, 3-ethenylpyridine, polycyclic aromatic hydrocarbons, tobacco-specific nitrosamines, nitrogen oxides, aldehydes and volatile organic compounds, as well as nicotine in dust and on surfaces. The measurement of nicotine in the air has the advantage of reflecting the presence of tobacco smoke. While PM measurements are not as specific, they can be taken continuously, allowing for assessment of exposure and its variation over time. In general, when nicotine and PM are measured in the same setting using a common sampling period, an increase in nicotine concentration of 1 μg/m3 corresponds to an average increase of 10 μg/m3 of PM. This topic assessment presents a comprehensive summary of SHSe monitoring approaches using environmental markers and discusses the strengths and weaknesses of these methods and approaches.
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Affiliation(s)
- Benjamin J Apelberg
- Department of Epidemiology, Institute for Global Tobacco Control, Johns Hopkins Bloomberg School of Public Health, 615N. Wolfe St, Baltimore, Maryland 21205, USA.
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Jimenez J, Claiborn C, Larson T, Gould T, Kirchstetter TW, Gundel L. Loading effect correction for real-time aethalometer measurements of fresh diesel soot. J Air Waste Manag Assoc 2007; 57:868-73. [PMID: 17688002 DOI: 10.3155/1047-3289.57.7.868] [Citation(s) in RCA: 19] [Impact Index Per Article: 1.1] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 05/16/2023]
Abstract
In this study, a correction was developed for the aethalometer to measure real-time black carbon (BC) concentrations in an environment dominated by fresh diesel soot. The relationship between the actual mass-specific absorption coefficient for BC and the BC-dependent attenuation coefficients was determined from experiments conducted in a diesel exposure chamber that provided constant concentrations of fine particulate matter (PM; PM(2.5); PM < 2.5 microm in aerodynamic diameter) from diesel exhaust. The aethalometer reported BC concentrations decreasing with time from 48.1 to 31.5 microg m(-3) when exposed to constant PM(2.5) concentrations of 55 +/- 1 microg m(-3) and b(scat) = 95 +/- 3 Mm(-1) from diesel exhaust. This apparent decrease in reported light-absorbing PM concentration was used to derive a correction K(ATN) for loading of strong light-absorbing particles onto or into the aethalometer filter tape, which was a function of attenuation of light at 880 nm by the embedded particles.
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Affiliation(s)
- Jorge Jimenez
- EULA-Chile, Environmental Sciences Center, University of Concepción, Concepción, Chile.
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Rosen H, Hansen AD, Gundel L, Novakov T. Identification of the optically absorbing component in urban aerosols. Appl Opt 1978; 17:3859-61. [PMID: 20208623 DOI: 10.1364/ao.17.003859] [Citation(s) in RCA: 68] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [What about the content of this article? (0)] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 05/22/2023]
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Piper LG, Gundel L, Velazco JE, Setser DW. Excitation of nitrogen and carbon monoxide ionic emissions by He(2 3S), He+, and He+2. J Chem Phys 1975. [DOI: 10.1063/1.430309] [Citation(s) in RCA: 65] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [What about the content of this article? (0)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/14/2022] Open
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Jorgenson MJ, Gundel L. On the mechanism of the photochemical reaction of conjugated esters. The importance of geometrically isomeric excited states. Tetrahedron Lett 1968. [DOI: 10.1016/s0040-4039(00)89881-0] [Citation(s) in RCA: 7] [Impact Index Per Article: 0.1] [Reference Citation Analysis] [What about the content of this article? (0)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/17/2022]
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