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https://www.readbyqxmd.com/read/28441095/perceived-harms-and-social-norms-in-the-use-of-electronic-cigarettes-and-smokeless-tobacco
#1
Erika A Waters, Georgia Mueller-Luckey, Kelsey LeVault, Wiley D Jenkins
Perceptions of harms and social norms influence the use of conventional tobacco cigarettes, but little research is available about their combined relationship with e-cigarette and smokeless tobacco use. We conducted a cross-sectional survey of 309 individuals from central Illinois. We explored (1) demographic predictors of perceived harms and social norms related to e-cigarette and smokeless tobacco use, and (2) whether perceived harms, social norms, or both were important predictors of e-cigarette and smokeless tobacco use...
April 25, 2017: Journal of Health Communication
https://www.readbyqxmd.com/read/28441029/variable-susceptibility-to-cigarette-smoke-induced-emphysema-in-34-inbred-strains-of-mice-implicates-abi3bp-in-emphysema-susceptibility
#2
Josiah E Radder, Alyssa D Gregory, Adriana S Leme, Michael H Cho, Yanxia Chu, Neil J Kelly, Per Bakke, Amund Gulsvik, Augusto A Litonjua, David Sparrow, Terri H Beaty, James D Crapo, Edwin K Silverman, Yingze Zhang, Annerose Berndt, Steven D Shapiro
RATIONALE: Chronic obstructive pulmonary disease (COPD) is caused by a complex interaction of environmental exposures, most commonly cigarette smoke, and genetic factors. Chronic cigarette smoke exposure in the mouse is a commonly used animal model of COPD. We aimed to expand our knowledge of the variable susceptibility of inbred strains to this model and test for genetic variants associated with this trait. OBJECTIVE: To measure differential susceptibility to cigarette smoke-induced emphysema in the mouse, identify genetic loci associated with this quantitative trait, and find homologous human genes associated with COPD...
April 25, 2017: American Journal of Respiratory Cell and Molecular Biology
https://www.readbyqxmd.com/read/28440949/regulations-and-policies-regarding-e-cigarettes
#3
REVIEW
Leila F Barraza, Kim E Weidenaar, Livia T Cook, Andrea R Logue, Michael T Halpern
Electronic cigarettes (e-cigarettes) are a growing public health concern because of a dramatic increase in use by adolescents and the uncertainty of potential health impacts. These health concerns and lack of an established federal regulatory scheme have led many local and state governments to address the regulatory void for e-cigarettes by incorporating them into the statutory definition of tobacco or by passing laws specific to the use of e-cigarettes. In August 2016, the US Food and Drug Administration issued a final rule deeming e-cigarettes within their authority; providing uniform requirements like premarket approval applications, Harmful and Potentially Harmful Constituents reporting, and warning labels; and establishing 18 years as a minimum age of purchase...
April 25, 2017: Cancer
https://www.readbyqxmd.com/read/28440197/hyperprolactinemia-induced-by-antipsychotics-from-diagnosis-to-treatment-approach
#4
Walter Milano, Chiara Colletti, Anna Capasso
Schizophrenia is one of the most severe psychiatric diseases with a significant impact on the psychosocial functioning of the patients. People with schizophrenia are at risk to die prematurely because of their illness with their poor lifestyle contributing to the excess morbidity and higher mortality rate. In particular, lifestyle (e.g. poor diet, low rates of physical activity and increased likelihood to smoke cigarettes) predisposes them to poor physical health and comorbid medical diseases. In addition, the treatment of schizophrenia usually involves the long-term administration of antipsychotic drugs and some of these medications are implicated in the increased risk of metabolic and cardiovascular effects...
April 23, 2017: Endocrine, Metabolic & Immune Disorders Drug Targets
https://www.readbyqxmd.com/read/28440105/effect-of-doxazosin-on-stress-reactivity-and-the-ability-to-resist-smoking
#5
Terril L Verplaetse, Andrea H Weinberger, Lindsay M Oberleitner, Kathryn Mz Smith, Brian P Pittman, Julia M Shi, Jeanette M Tetrault, Meaghan E Lavery, Marina R Picciotto, Sherry A McKee
Preclinical findings support a role for α1-adrenergic antagonists in reducing nicotine-motivated behaviors, but these findings have yet to be translated to humans. The current study evaluated whether doxazosin would attenuate stress-precipitated smoking in the human laboratory. Using a well-validated laboratory analogue of smoking-lapse behavior, this pilot study evaluated whether doxazosin (4 and 8 mg/day) versus placebo attenuated the effect of stress (vs neutral imagery) on tobacco craving, the ability to resist smoking and subsequent ad-libitum smoking in nicotine-deprived smokers ( n=35)...
April 1, 2017: Journal of Psychopharmacology
https://www.readbyqxmd.com/read/28440084/prevalence-and-co-occurrence-of-addictive-behaviors-among-russian-and-spanish-youth
#6
Jennifer Tsai, Jimi Huh, Bulat Idrisov, Artur Galimov, Jose P Espada, María T Gonzálvez, Steve Sussman
Recently, an addiction matrix measure was assessed among U.S. former alternative high school youth. This presentation seeks to examine the generalizability of findings using this measure among Russian and Spanish high school adolescents. Latent class analysis was used to explore addiction subgroups among adolescents in Russia (average age = 16.27; n = 715) and Spain (average age = 14.9; n = 811). Last 30-day prevalence of one or more of 11 addictions reviewed in the previous work was the primary focus (i...
January 1, 2017: Journal of Drug Education
https://www.readbyqxmd.com/read/28437870/assessing-the-likelihood-and-magnitude-of-a-population-health-benefit-following-the-market-introduction-of-a-modified-risk-tobacco-product-enhancements-to-the-dynamic-population-modeler-dpm-1
#7
Annette M Bachand, Sandra I Sulsky, Geoffrey M Curtin
Researchers and those responsible for evaluating and implementing policies intended to reduce population harm must assess the potential for both intended and unintended consequences associated with those policies. Such assessments should be based on the combined dimensions of magnitude, and thus likelihood, of shifts in exposure patterns needed to produce a population benefit or harm, and magnitude of the expected population benefit or harm. In response to this assessment need, we provide a conceptual description of the dynamic population modeler, DPM(+1), as well as illustrative analyses that estimate the effects on all-cause mortality, life expectancy, and quality of life-adjusted life expectancy if exposure patterns in the population shift from a higher risk product (e...
April 24, 2017: Risk Analysis: An Official Publication of the Society for Risk Analysis
https://www.readbyqxmd.com/read/28437124/marijuana-and-tobacco-cigarettes-estimating-their-behavioral-economic-relationship-using-purchasing-tasks
#8
Erica N Peters, Zachary R Rosenberry, Gillian L Schauer, Kevin E O'Grady, Patrick S Johnson
Although marijuana and tobacco are commonly coused, the nature of their relationship has not been fully elucidated. Behavioral economics has characterized the relationship between concurrently available commodities but has not been applied to marijuana and tobacco couse. U.S. adults ≥18 years who coused marijuana and tobacco cigarettes were recruited via Mechanical Turk, a crowdsourcing service by Amazon. Participants (N = 82) completed online purchasing tasks assessing hypothetical marijuana or tobacco cigarette puff consumption across a range of per-puff prices; 2 single-commodity tasks assessed these when only 1 commodity was available, and 2 cross-commodity tasks assessed these in the presence of a concurrently available fixed-price commodity...
April 24, 2017: Experimental and Clinical Psychopharmacology
https://www.readbyqxmd.com/read/28436706/tobacco-use-and-attachment-style-in-appalachia
#9
Mary Heath Wise, Florence Weierbach, Yan Cao, Ken Phillips
Tobacco has been recognized as the number one cause of preventable death in America and results in almost 5.2 million years of potential life lost each year. The use of tobacco products is highly correlated with pulmonary disease, cardiovascular disease, and other forms of chronic illness in America. New tobacco products are trending in the tobacco market such as the water pipe/hookah and e-cigarettes. With e-cigarettes and other newer forms of tobacco on the rise, it is important to look at the underlying factors for using all kinds of tobacco products as a means of prevention...
April 24, 2017: Issues in Mental Health Nursing
https://www.readbyqxmd.com/read/28432984/cigarette-smoke-extract-counteracts-atheroprotective-effects-of-high-laminar-flow-on-endothelial-function
#10
Sindy Giebe, Natalia Cockcroft, Katherine Hewitt, Melanie Brux, Anja Hofmann, Henning Morawietz, Coy Brunssen
Tobacco smoking and hemodynamic forces are key stimuli in the development of endothelial dysfunction and atherosclerosis. High laminar flow has an atheroprotective effect on the endothelium and leads to a reduced response of endothelial cells to cardiovascular risk factors compared to regions with disturbed or low laminar flow. We hypothesize that the atheroprotective effect of high laminar flow could delay the development of endothelial dysfunction caused by cigarette smoking. Primary human endothelial cells were stimulated with increasing dosages of aqueous cigarette smoke extract (CSEaq)...
April 7, 2017: Redox Biology
https://www.readbyqxmd.com/read/28431562/effects-of-the-common-polymorphism-in-the-human-aldehyde-dehydrogenase-2-aldh2-gene-on-the-lung
#11
Aoi Kuroda, Ahmed E Hegab, Gao Jingtao, Shuji Yamashita, Nobuyuki Hizawa, Tohru Sakamoto, Hideyasu Yamada, Satoshi Suzuki, Makoto Ishii, Ho Namkoong, Takanori Asakura, Mari Ozaki, Hiroyuki Yasuda, Junko Hamamoto, Shizuko Kagawa, Kenzo Soejima, Tomoko Betsuyaku
BACKGROUND: Aldehyde dehydrogenases (ALDHs) play a major role in detoxification of aldehydes. High expression of ALDHs is a marker for stem cells of many organs including the lungs. A common polymorphism in ALDH2 gene (ALDH2*2) results in inactivation of the enzyme and is associated with alcohol flushing syndrome and increased risk for cardiovascular and Alzheimer's diseases and some cancers. The effect of this ALDH2 polymorphism on the lung and its stem cells has not been thoroughly examined...
April 21, 2017: Respiratory Research
https://www.readbyqxmd.com/read/28428175/flavored-e-cigarette-liquids-reduce-proliferation-and-viability-in-the-calu3-airway-epithelial-cell-line
#12
Temperance R Rowell, Steven L Reeber, Shernita L Lee, Rachel A Harris, Rachel C Nethery, Amy H Herring, Gary L Glish, Robert Tarran
E-cigarettes are generally thought of as a safer smoking alternative to traditional cigarettes. However, little is known about the effects of e-cigarette liquids (e-liquids) on the lung. Since over 7,000 unique flavors have been identified for purchase in the USA, our goal was to conduct a screen that would test whether different flavored e-liquids exhibited different toxicant profiles. We tested the effects of 13 different flavored e-liquids (with nicotine and propylene glycol/vegetable glycerin (PG/VG) serving as controls) on a lung epithelial cell line (CALU3)...
April 20, 2017: American Journal of Physiology. Lung Cellular and Molecular Physiology
https://www.readbyqxmd.com/read/28427369/suicidal-ideation-and-its-correlates-among-high-school-students-in-iran-a-cross-sectional-study
#13
Reza Ziaei, Eija Viitasara, Joaquim Soares, Homayoun Sadeghi-Bazarghani, Saeed Dastgiri, Ali Hossein Zeinalzadeh, Farhad Bahadori, Reza Mohammadi
BACKGROUND: Globally, the second leading cause of death among adolescents is suicide and in middle-income countries adolescents' suicidal ideation is a neglected public health area. The present study was conducted to determine the prevalence and correlates of suicidal ideation among 15-17-year-old high school students in Iran. METHODS: Self-administered, Global School-based Student Health Survey (GSHS) questionnaires were distributed to a representative sample (N =1517) of high-school students aged 15-17 in the city of Tabriz...
April 20, 2017: BMC Psychiatry
https://www.readbyqxmd.com/read/28427288/cigarette-smokers-develop-altered-erythrocyte-membrane-composition-an-investigation-unmasking-the-role-of-membrane-bound-integral-protein-glut-1
#14
Jyotirmoy Sikdar, Paromita Seal, Amartya Roy, Rajen Haldar
Erythrocytes in cigarette smokers are prone to oxidative damage. Here we sought to elucidate the facts behind modifications and possible defense system developed in erythrocyte of cigarette smokers. We observed significant increase in stomatocytes and spherocytes, and osmotic fragility of erythrocyte, along with reduced level of protein thiol and increased fluorescence anisotropy in isolated membrane. Denaturing gel electrophoresis indicated alterations in band 3, band 4.2 and band 4.5. Among those, Glut 1 (i...
April 20, 2017: Free Radical Research
https://www.readbyqxmd.com/read/28426728/pulmonary-vascular-volume-impaired-left-ventricular-filling-and-dyspnea-the-mesa-lung-study
#15
Carrie P Aaron, Eric A Hoffman, Joao A C Lima, Steven M Kawut, Alain G Bertoni, Jens Vogel-Claussen, Mohammadali Habibi, Katja Hueper, David R Jacobs, Ravi Kalhan, Erin D Michos, Wendy S Post, Martin R Prince, Benjamin M Smith, Bharath Ambale-Venkatesh, Chia-Ying Liu, Filip Zemrak, Karol E Watson, Matthew Budoff, David A Bluemke, R Graham Barr
BACKGROUND: Evaluation of impaired left ventricular (LV) filling has focused on intrinsic causes of LV dysfunction; however, pulmonary vascular changes may contribute to reduced LV filling and dyspnea. We hypothesized that lower total pulmonary vascular volume (TPVV) on computed tomography (CT) would be associated with dyspnea and decrements in LV end-diastolic volume, particularly among ever-smokers. METHODS: The Multi-Ethnic Study of Atherosclerosis recruited adults without clinical cardiovascular disease in 2000-02...
2017: PloS One
https://www.readbyqxmd.com/read/28426638/decreased-central-nervous-system-grey-matter-volume-gmv-in-smokers-affects-cognitive-abilities-a-systematic-review
#16
Martina Vňuková, Radek Ptáček, Jiří Raboch, George B Stefano
Although cigarette smoking is a leading cause of preventable mortality, tobacco is consumed by approximately 22% of the adult population worldwide. Smoking is also a risk factor for cardiovascular disease, affects brain processing, and is a recognized risk factor for Alzheimer disease (AD). Tobacco toxins (e.g., nicotine at high levels) inhaled in smoke may cause disorders resulting in preclinical brain changes. Researchers suggest that there are differences in brain volume between smokers and non-smokers. This review examines these differences in brain grey matter volume (GMV)...
April 20, 2017: Medical Science Monitor: International Medical Journal of Experimental and Clinical Research
https://www.readbyqxmd.com/read/28426356/focus-group-findings-of-smoking-onset-among-male-youth-in-china
#17
Vivian C Sheer, Chang Molly Mao, Yi-Ru Regina Chen
BACKGROUND: Adolescence is associated with smoking initiation among men in China. The lack of qualitative studies using Chinese adolescent samples can pose challenges to enacting effective smoking prevention messages that resonate with male Chinese teenagers' thoughts, needs, and wishes. OBJECTIVE: This focus group study was designed to obtain in-depth contextual information on early smoking among male teenagers in China. METHODS: Twenty focus groups of 7-10 male students from vocational and junior colleges (N = 165) were conducted, approximately half in Shanxi and half in Guangdong...
June 7, 2017: Substance Use & Misuse
https://www.readbyqxmd.com/read/28424613/the-relationship-between-cerebral-small-vessel-disease-hippocampal-volume-and-cognitive-functioning-in-patients-with-copd-an-mri-study
#18
Fiona A H M Cleutjens, Rudolf W H M Ponds, Martijn A Spruit, Saartje Burgmans, Heidi I L Jacobs, Ed H B M Gronenschild, Julie Staals, Frits M E Franssen, Jeanette B Dijkstra, Lowie E G W Vanfleteren, Paul A Hofman, Emiel F M Wouters, Daisy J A Janssen
The neural correlates of cognitive impairment in chronic obstructive pulmonary disease (COPD) are not yet understood. Structural brain abnormalities could possibly be associated with the presence of cognitive impairment through cigarette smoke, inflammation, vascular disease, or hypoxemia in these patients. This study aimed to investigate whether macrostructural brain magnetic resonance imaging (MRI) features of cerebral small vessel disease (SVD) and hippocampal volume (HCV) are related to cognitive performance in patients with COPD...
2017: Frontiers in Aging Neuroscience
https://www.readbyqxmd.com/read/28420881/reduced-biological-effect-of-e-cigarette-aerosol-compared-to-cigarette-smoke-evaluated-in-vitro-using-normalized-nicotine-dose-and-rna-seq-based-toxicogenomics
#19
Linsey E Haswell, Andrew Baxter, Anisha Banerjee, Ivan Verrastro, Jessica Mushonganono, Jason Adamson, David Thorne, Marianna Gaça, Emmanuel Minet
Electronic cigarettes (e-cigarettes) use has increased globally and could potentially offer a lower risk alternative to cigarette smoking. Here, we assessed the transcriptional response of a primary 3D airway model acutely exposed to e-cigarette aerosol and cigarette (3R4F) smoke. Aerosols were generated with standard intense smoking regimens with careful consideration for dose by normalizing the exposures to nicotine. Two e-cigarette aerosol dilutions were tested for equivalent and higher nicotine delivery compared to 3R4F...
April 18, 2017: Scientific Reports
https://www.readbyqxmd.com/read/28416970/dna-methylation-profiling-in-peripheral-lung-tissues-of-smokers-and-patients-with-copd
#20
Isaac K Sundar, Qiangzong Yin, Brian S Baier, Li Yan, Witold Mazur, Dongmei Li, Martha Susiarjo, Irfan Rahman
BACKGROUND: Epigenetics changes have been shown to be affected by cigarette smoking. Cigarette smoke (CS)-mediated DNA methylation can potentially affect several cellular and pathophysiological processes, acute exacerbations, and comorbidity in the lungs of patients with chronic obstructive pulmonary disease (COPD). We sought to determine whether genome-wide lung DNA methylation profiles of smokers and patients with COPD were significantly different from non-smokers. We isolated DNA from parenchymal lung tissues of patients including eight lifelong non-smokers, eight current smokers, and eight patients with COPD and analyzed the samples using Illumina's Infinium HumanMethylation450 BeadChip...
2017: Clinical Epigenetics
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