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The Health Effects of Electronic Cigarettes

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https://www.readbyqxmd.com/read/28414730/elements-including-metals-in-the-atomizer-and-aerosol-of-disposable-electronic-cigarettes-and-electronic-hookahs
#1
Monique Williams, Krassimir Bozhilov, Sanjay Ghai, Prue Talbot
OBJECTIVE: Our purpose was to quantify 36 inorganic chemical elements in aerosols from disposable electronic cigarettes (ECs) and electronic hookahs (EHs), examine the effect of puffing topography on elements in aerosols, and identify the source of the elements. METHODS: Thirty-six inorganic chemical elements and their concentrations in EC/EH aerosols were determined using inductively coupled plasma optical emission spectroscopy, and their source was identified by analyzing disassembled atomizers using scanning electron microscopy and energy dispersive X-ray spectroscopy...
2017: PloS One
https://www.readbyqxmd.com/read/28393367/increasing-popularity-of-waterpipe-tobacco-smoking-and-electronic-cigarette-use-implications-for-oral-healthcare
#2
REVIEW
C P Ramôa, T Eissenberg, S E Sahingur
Cigarette smoking increases the risk of developing several systemic conditions including cancer, cardiovascular and pulmonary diseases. Cigarette smoking is also detrimental to oral health as it increases the incidence and severity of oral cancer, periodontal diseases and peri-implantitis, as well as impacting negatively on the dental patients' response to therapy. Therefore, consideration of smoking behavior and recommendation of smoking cessation are important parts of dental treatment planning. However, cigarettes are no longer the most popular form of tobacco use among adolescents in the United States and globally...
April 10, 2017: Journal of Periodontal Research
https://www.readbyqxmd.com/read/28390232/media-exposure-and-tobacco-product-addiction-beliefs-findings-from-the-2015-health-information-national-trends-survey-hints-fda-2015
#3
Elisabeth A Donaldson, Allison C Hoffman, Izabella Zandberg, Kelly D Blake
BACKGROUND: Addiction beliefs about tobacco use are associated with intentions to use and use of tobacco products. Exposure to information about tobacco products in media sources may affect addiction beliefs. PURPOSE: To examine the relationship between media exposure and tobacco product addiction beliefs. METHODS: A nationally representative sample of US adults (n=3738) from the 2015 National Cancer Institute's Health Information National Trends Survey was used to examine addiction beliefs about cigarettes, cigars, smokeless tobacco, electronic cigarettes, hookah/waterpipe tobacco, and roll-your-own cigarettes...
April 3, 2017: Addictive Behaviors
https://www.readbyqxmd.com/read/28388912/environmental-pollutants-a-possible-etiology-for-premature-ovarian-insufficiency-a-narrative-review-of-animal-and-human-data
#4
REVIEW
Pauline Vabre, Nicolas Gatimel, Jessika Moreau, Véronique Gayrard, Nicole Picard-Hagen, Jean Parinaud, Roger D Leandri
BACKGROUND: Because only 25% of cases of premature ovarian insufficiency (POI) have a known etiology, the aim of this review was to summarize the associations and mechanisms of the impact of the environment on this pathology. Eligible studies were selected from an electronic literature search from the PUBMED database from January 2000 to February 2016 and associated references in published studies. Search terms included ovary, follicle, oocyte, endocrine disruptor, environmental exposure, occupational exposure, environmental contaminant, pesticide, polyaromatic hydrocarbon, polychlorinated biphenyl PCB, phenol, bisphenol, flame retardant, phthalate, dioxin, phytoestrogen, tobacco, smoke, cigarette, cosmetic, xenobiotic...
April 7, 2017: Environmental Health: a Global Access Science Source
https://www.readbyqxmd.com/read/28379177/a-comparative-health-risk-assessment-of-electronic-cigarettes-and-conventional-cigarettes
#5
Jinsong Chen, Chris Bullen, Kim Dirks
Background: Although some studies have identified hazardous substances in electronic cigarette (EC) liquids and emissions, there is limited information about the health risks of using ECs. Methods: In this study, the U.S. Environmental Protection Agency (EPA) health risk assessment model and findings of a literature review were used to determine and profile hazards. Focus was put on the toxicants reported in the literature on conventional cigarette (CC) smoke that most strongly associated with adverse health effects...
April 5, 2017: International Journal of Environmental Research and Public Health
https://www.readbyqxmd.com/read/28360111/the-effects-of-electronic-cigarette-aerosol-exposure-on-inflammation-and-lung-function-in-mice
#6
Alexander N Larcombe, Maxine A Janka, Benjamin J Mullins, Luke J Berry, Arne Bredin, Peter J Franklin
Electronic cigarette usage is increasing worldwide, yet there is a paucity of information on the respiratory health effects of electronic cigarette aerosol exposure. This study aimed to assess whether exposure to electronic-cigarette (e-cigarette) aerosol would alter lung function and pulmonary inflammation in mice, and to compare the severity of any alterations with mice exposed to mainstream tobacco smoke. Female BALB/c mice were exposed for 8 weeks to tobacco smoke, medical air (control) or one of 4 different types of e-cigarette aerosol...
March 30, 2017: American Journal of Physiology. Lung Cellular and Molecular Physiology
https://www.readbyqxmd.com/read/28358990/a-feasibility-study-on-using-an-internet-panel-survey-to-measure-perceptions-of-e-cigarettes-in-3-metropolitan-areas-2015
#7
Eric A Miller, Lewis Berman, Audie Atienza, Deirdre Middleton, Ronaldo Iachan, Robert Tortora, John Boyle
OBJECTIVES: Internet-panel surveys are emerging as a means to quickly and cost-effectively collect health data, and because of their large memberships, they could be used for community-level surveys. To determine the feasibility of using an internet-panel survey to quickly provide community-level data, we conducted a pilot test of a health survey in 3 US metropolitan areas. METHODS: We conducted internet-panel surveys in Cleveland, Ohio; New York, New York; and Seattle, Washington, in 2015...
January 1, 2017: Public Health Reports
https://www.readbyqxmd.com/read/28342844/a-system-dynamics-modelling-approach-to-assess-the-impact-of-launching-a-new-nicotine-product-on-population-health-outcomes
#8
Andrew Hill, Oscar M Camacho
In 2012 the US FDA suggested the use of mathematical models to assess the impact of releasing new nicotine or tobacco products on population health outcomes. A model based on system dynamics methodology was developed to project the potential effects of a new nicotine product at a population level. A model representing traditional smoking populations (never, current and former smokers) and calibrated using historical data was extended to a two-product model by including electronic cigarettes use statuses. Smoking mechanisms, such as product initiation, switching, transition to dual use, and cessation, were represented as flows between smoking statuses (stocks) and the potential effect of smoking renormalisation through a feedback system...
March 22, 2017: Regulatory Toxicology and Pharmacology: RTP
https://www.readbyqxmd.com/read/28340053/does-the-regulatory-environment-for-e-cigarettes-influence-the-effectiveness-of-e-cigarettes-for-smoking-cessation-longitudinal-findings-from-the-itc-four-country-survey
#9
Hua-Hie Yong, Sara C Hitchman, K Michael Cummings, Ron Borland, Shannon M L Gravely, Ann McNeill, Geoffrey T Fong
Introduction: To date, no studies have explored how different regulatory environments may influence the effectiveness of ECs as a smoking cessation aid. Objective: This study compares the real-world effectiveness of adult smokers using ECs for quitting compared with quitting unassisted or quitting with NRT and/or prescription medications in two countries with restrictive policies towards ECs (i.e., Canada and Australia) versus two countries with less restrictive policies (i...
March 4, 2017: Nicotine & Tobacco Research: Official Journal of the Society for Research on Nicotine and Tobacco
https://www.readbyqxmd.com/read/28332500/cardiovascular-effects-of-electronic-cigarettes
#10
REVIEW
Neal L Benowitz, Joseph B Fraiman
Cardiovascular safety is an important consideration in the debate on the benefits versus the risks of electronic cigarette (EC) use. EC emissions that might have adverse effects on cardiovascular health include nicotine, oxidants, aldehydes, particulates, and flavourants. To date, most of the cardiovascular effects of ECs demonstrated in humans are consistent with the known effects of nicotine. Pharmacological and toxicological studies support the biological plausibility that nicotine contributes to acute cardiovascular events and accelerated atherogenesis...
March 23, 2017: Nature Reviews. Cardiology
https://www.readbyqxmd.com/read/28296556/beliefs-about-the-direct-comparison-of-e-cigarettes-and-cigarettes
#11
Alexandra R Hershberger, Kenny A Karyadi, J Davis VanderVeen, Melissa A Cyders
BACKGROUND: Recent data suggests that positive beliefs about electronic cigarettes (e-cigs) use can lead to later e-cig use. Considering that many advertisements claim that e-cigs are superior to cigarettes, individuals' likelihood to view e-cigs more favorably than cigarettes can also influence subsequent e-cig use; however, no studies have directly assessed such a comparison. OBJECTIVES: The present study created and validated the Comparing E-Cigarettes and Cigarettes questionnaire (CEAC), which asks individuals to directly compare e-cigs and cigarettes on a number of dimensions, in two independent samples...
March 15, 2017: Substance Use & Misuse
https://www.readbyqxmd.com/read/28277706/user-identified-positive-outcome-expectancies-of-electronic-cigarette-use-a-concept-mapping-study
#12
Eric K Soule, Sarah F Maloney, Mignonne C Guy, Thomas Eissenberg, Pebbles Fagan
Electronic cigarette (ECIG) use is growing in popularity, but little is known about the perceived positive outcomes of ECIG use. This study used concept mapping (CM) to examine positive ECIG outcome expectancies. Sixty-three past 30-day ECIG users (38.1% female) between the ages of 18 and 64 (M = 37.8, SD = 13.3) completed a CM module. In an online program, participants provided statements that completed a prompt: "A specific positive, enjoyable, or exciting effect (i.e., physical or psychological) that I have experienced WHILE USING or IMMEDIATELY AFTER USING an electronic cigarette/electronic vaping device is...
March 9, 2017: Psychology of Addictive Behaviors: Journal of the Society of Psychologists in Addictive Behaviors
https://www.readbyqxmd.com/read/28263891/skin-contamination-as-pathway-for-nicotine-intoxication-in-vapers
#13
Giovanni Maina, Carlotta Castagnoli, Giordana Ghione, Valter Passini, Gianpiero Adami, Francesca Larese Filon, Matteo Crosera
Growing warnings on health effects related to electronic cigarettes have met inconclusive findings at present. This study analyzed the in vitro percutaneous absorption of nicotine resulting by skin contamination with two e-liquids (refill 1 and 2) containing nicotine at 1.8%. Donor chambers of 6 Franz cells for each refill liquid were filled with 1mL of nicotine e-liquid for 24h; at selected intervals, 1.5mL of the receptor solutions were collected for nicotine concentration analysis by mean gas chromatography-mass spectrometry (LOD: 0...
March 2, 2017: Toxicology in Vitro: An International Journal Published in Association with BIBRA
https://www.readbyqxmd.com/read/28252546/electronic-cigarettes-are-as-toxic-to-skin-flap-survival-as-tobacco-cigarettes
#14
Aline Sabrina Rau, Viktorija Reinikovaite, Eric P Schmidt, Laima Taraseviciene-Stewart, Frederic White-Brown Deleyiannis
PURPOSE: Electronic cigarettes (e-cigarettes) have become increasingly popular. However, information about the health risks associated with e-cigarette use is sparse. Currently, no published studies examine the effects of chronic e-cigarette exposure on microcirculation or perfusion. Using a rat skin flap model, we examined the toxic microcirculatory effects e-cigarettes may have in comparison with tobacco cigarettes. METHODS: Fifty-eight rats were randomized to either exposure to room air, tobacco cigarette smoke, medium-nicotine content (1...
March 1, 2017: Annals of Plastic Surgery
https://www.readbyqxmd.com/read/28218695/electronic-cigarette-use-and-smoking-abstinence-in-japan-a-cross-sectional-study-of-quitting-methods
#15
Tomoyasu Hirano, Takahiro Tabuchi, Rika Nakahara, Naoki Kunugita, Yumiko Mochizuki-Kobayashi
The benefit of electronic cigarettes (e-cigarettes) in smoking cessation remains controversial. Recently, e-cigarettes have been gaining popularity in Japan, without evidence of efficacy on quitting cigarettes. We conducted an online survey to collect information on tobacco use, difficulties in smoking cessation, socio-demographic factors, and health-related factors in Japan. Among the total participants (n = 9055), 798 eligible persons aged 20-69 years who smoked within the previous five years were analyzed to assess the relationship between the outcome of smoking cessation and quitting methods used, including e-cigarettes, smoking cessation therapy, and unassisted...
February 17, 2017: International Journal of Environmental Research and Public Health
https://www.readbyqxmd.com/read/28192582/use-of-electronic-nicotine-delivery-systems-among-adolescents-status-of-the-evidence-and-public-health-recommendations
#16
Aarti D Kamat, Alison L Van Dyke
Although the prevalence of tobacco smoking has been declining in recent years, the use of electronic nicotine delivery systems (ENDS) such as of electronic cigarettes, vaporizers, and hookahs has been steadily rising, especially among adolescents. ENDS are not only advertised to children, but their sale via the Internet has made them easily accessible to youth. In general, children perceive ENDS as safe, or at least safer than smoking traditional combustible tobacco products; however, exposure to nicotine may have deleterious effects on the developing brain...
February 1, 2017: Pediatric Annals
https://www.readbyqxmd.com/read/28168771/recent-updates-on-electronic-cigarette-aerosol-and-inhaled-nicotine-effects-on-periodontal-and-pulmonary-tissues
#17
REVIEW
F Javed, S V Kellesarian, I K Sundar, G E Romanos, I Rahman
E-cigarette-derived inhaled nicotine may contribute to the pathogenesis of periodontal and pulmonary diseases in particular via lung inflammation, injurious, and dysregulated repair responses. Nicotine is shown to have antiproliferative properties and affects fibroblasts in vitro, which may interfere in tissue myofibroblast differentiation in e-cig users. This will affect the ability to heal wounds by decreasing wound contraction. In periodontics, direct exposure to e-vapor has been shown to produce harmful effects in periodontal ligament and gingival fibroblasts in culture...
February 6, 2017: Oral Diseases
https://www.readbyqxmd.com/read/28144056/electronic-cigarette-effective-or-harmful-for-quitting-smoking-and-respiratory-health-a-quantitative-review-papers
#18
Gholamreza Heydari, Arezoo Ebn Ahmady, Fahimeh Chamyani, Mohammadreza Masjedi, Lida Fadaizadeh
BACKGROUND: In recent years, electronic cigarettes (ECs) have been heavily advertised as an alternative smoking device as well as a possible cessation method. We aimed to review all published scientific literature pertaining to ECs and to present a simple conclusion about their effects for quitting smoking and respiratory health. METHODS: This was a cross-sectional study with a search of PubMed, limited to English publications upto September 2014. The total number of papers which had ECs in its title and their conclusions positive or negative regarding ECs effects were computed...
January 2017: Lung India: Official Organ of Indian Chest Society
https://www.readbyqxmd.com/read/28107337/e-cigarettes-and-smoking-cessation-a-primer-for-oncology-clinicians
#19
Yanina Zborovskaya
BACKGROUND: Electronic cigarettes 
(e-cigarettes) are a psychosocial phenomenon of the 21st century with serious implications to public and individual health. The significant increase of their popularity and use has raised concerns in the healthcare community regarding their potential benefits and harm, particularly their use as a smoking cessation methodology. OBJECTIVES: Current knowledge is presented about e-cigarettes, including the clinical implications of their use, and associated controversies are analyzed...
February 1, 2017: Clinical Journal of Oncology Nursing
https://www.readbyqxmd.com/read/28090560/perceptions-of-secondhand-e-cigarette-aerosol-among-twitter-users
#20
Jennifer B Unger, Patricia Escobedo, Jon-Patrick Allem, Daniel W Soto, Kar-Hai Chu, Tess Cruz
OBJECTIVES: There is considerable debate among the public health community about the health risks of secondhand exposure to the aerosol from electronic cigarettes (e-cigarettes). Despite mounting scientific evidence on the chemical content of e-cigarette aerosol, public perceptions of the relative safety of secondhand e-cigarette aerosol have not been well characterized. METHOD: This study collected tweets, or messages sent using Twitter, about exposure to secondhand e-cigarette aerosol over a 6-week period in 2015...
April 2016: Tobacco Regulatory Science
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