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https://www.readbyqxmd.com/read/28103253/polymorphisms-in-htr2a-and-drd4-predispose-to-smoking-and-smoking-quantity
#1
Gloria Pérez-Rubio, Alejandra Ramírez-Venegas, Valeri Noé Díaz, Leonor García Gómez, Karina Elvira Fabián, Salvador García Carmona, Luis A López-Flores, Enrique Ambrocio-Ortiz, Rocío Contreras Romero, Noé Alcantar-Ayala, Raúl H Sansores, Ramcés Falfán-Valencia
BACKGROUND: Genes encoding the receptors involved in the dopaminergic and serotonergic pathways are potential candidates in the mechanisms of nicotine addiction. AIMS: To identify genetic variants in the promoter regions and exons of the DRD4 and HTR2A genes associated with tobacco smoking and the degree of nicotine addiction in Mexican mestizos. METHODS: The study included 438 non-smokers (NS) and 1,157 current smokers, ranked based on their consumption of cigarettes per day (cpd): 574 heavy smokers (HS, >20 cpd) and 583 light smokers (LS, 1-10 cpd)...
2017: PloS One
https://www.readbyqxmd.com/read/28103214/association-between-the-real-cost-media-campaign-and-smoking-initiation-among-youths-united-states-2014-2016
#2
Matthew C Farrelly, Jennifer C Duke, James Nonnemaker, Anna J MacMonegle, Tesfa N Alexander, Xiaoquan Zhao, Janine C Delahanty, Pamela Rao, Jane A Allen
In the United States, approximately 900,000 youths smoke their first cigarette each year (1). Health communication interventions are evidence-based strategies for preventing the initiation of tobacco use, promoting and facilitating cessation, and changing beliefs and attitudes about tobacco use (2,3). This report describes the association between the Food and Drug Administration's (FDA's) first national tobacco public education campaign, The Real Cost, and rates of smoking initiation among youths in the United States from 2014 to 2016...
January 20, 2017: MMWR. Morbidity and Mortality Weekly Report
https://www.readbyqxmd.com/read/28102970/microbiomes-in-respiratory-health-and-disease-an-asia-pacific-perspective
#3
REVIEW
Sanjay H Chotirmall, Shaan L Gellatly, Kurtis F Budden, Micheál Mac Aogain, Shakti D Shukla, David L A Wood, Philip Hugenholtz, Kevin Pethe, Philip M Hansbro
There is currently enormous interest in studying the role of the microbiome in health and disease. Microbiome's role is increasingly being applied to respiratory diseases, in particular COPD, asthma, cystic fibrosis and bronchiectasis. The changes in respiratory microbiomes that occur in these diseases and how they are modified by environmental challenges such as cigarette smoke, air pollution and infection are being elucidated. There is also emerging evidence that gut microbiomes play a role in lung diseases through the modulation of systemic immune responses and can be modified by diet and antibiotic treatment...
February 2017: Respirology: Official Journal of the Asian Pacific Society of Respirology
https://www.readbyqxmd.com/read/28101244/celery-extract-inhibits-mouse-cyp2a5-and-human-cyp2a6-activities-via-different-mechanisms
#4
Xiao Deng, Qianghong Pu, Erhao Wang, Chao Yu
Human cytochrome P450 (CYP) 2A6 participates in the metabolism of nicotine and precarcinogens, thus the deliberate inhibition of CYP2A6 may reduce cigarette consumption and therefore reduce the risk of developing the types of cancer associated with smoking. The inhibitory effects and mechanisms of celery (Apium graveolens) extract on mouse CYP2A5 and human CYP2A6 activity remain unclear. These effects were investigated in mouse and human liver microsomes using coumarin 7-hydroxylation in a probe reaction. Celery extract reduced CYP2A5 and CYP2A6 activities in vitro in a dose-dependent manner...
December 2016: Oncology Letters
https://www.readbyqxmd.com/read/28100380/-cigarette-consumer-price-and-affordability-in-china-results-from-2015-china-adult-survey
#5
L L Wang, Y Yang, Y Nan, M W Tu, J J Wang, Y Jiang
Objective: To analyze the change of cigarette consumption price, and understand the cigarette affordability in China. Methods: A total of 16 800 households were selected through multi-stage stratified cluster sampling. Then IPAQ was used to randomly select one family member to conduct the survey. Questionnaire from Global Tobacco Surveillance System with added country-specific questions was used. Results: Up to 50% of current smokers would buy 20 cigarettes with price of 9.9 yuan (RMB) or less, and 25% of current smokers would not buy 20 cigarettes with price exceed 5...
January 10, 2017: Zhonghua Liu Xing Bing Xue za Zhi, Zhonghua Liuxingbingxue Zazhi
https://www.readbyqxmd.com/read/28099072/re-cigarette-smoking-and-breast-cancer-risk-in-hispanic-and-non-hispanic-white-women-the-breast-cancer-health-disparities-study-by-conner-et-al-j-womens-health-larchmt-2016-25-299-310
#6
https://www.readbyqxmd.com/read/28098063/the-use-of-e-cigarettes
#7
Martin Eichler, Maria Blettner, Susanne Singer
BACKGROUND: Electronic cigarettes (e-cigarettes) are a consumer product whose benefits and risks are currently debated. Advocates of the "tobacco harm reduction" strategy emphasize their potential as an aid to smoking cessation, while advocates of the precautionary principle emphasize their risks instead. There have been only a few studies to date on the prevalence of e-cigarette use in Germany. METHODS: In May 2016, in collaboration with Forsa, an opinion research firm, we carried out a survey among 4002 randomly chosen persons aged 14 and older, asking them about their consumption of e-cigarettes with and without nicotine, reasons for using e-cigarettes, plans for future use, estimation of danger compared to that of tobacco products, smoking behavior, and sociodemographic features...
December 16, 2016: Deutsches Ärzteblatt International
https://www.readbyqxmd.com/read/28097536/prevalence-and-correlates-of-adhd-in-individuals-with-substance-use-disorder-in-nigeria
#8
Musa U Umar, Auwal S Salihu, Shakirat D Owolabi
Substance use disorder (SUD) is associated with ADHD. ADHD increases the severity of SUD and has negative influence on the prognosis of the disorder. The aim of the study was to determine the prevalence and correlates of ADHD in individuals with SUD. During 2013-2015, a cross-sectional descriptive study of 233 drug treatment-seeking individuals was assessed. Diagnosis of ADHD was done using DSM-IV criteria with the Diagnostic Interview for ADHD in Adults (DIVA 2.0), while Semi-structured Assessment for Drug Dependence and Alcoholism (SSADDA 6...
January 17, 2017: Attention Deficit and Hyperactivity Disorders
https://www.readbyqxmd.com/read/28097445/pregnancy-outcomes-in-hiv-positive-women-a-retrospective-cohort-study
#9
Kholoud Arab, Andrea R Spence, Nicholas Czuzoj-Shulman, Haim A Abenhaim
PURPOSE: In the United States, an estimated 8500 HIV (human immunodeficiency virus) positive women gave birth in 2014. This rate appears to be increasing annually. Our objective is to examine obstetrical outcomes of pregnancy among HIV-positive women. METHODS: A population-based cohort study was conducted using the Nationwide Inpatient Sample database (2003-2011) from the United States. Pregnant HIV-positive women were identified and compared to pregnant women without HIV...
January 17, 2017: Archives of Gynecology and Obstetrics
https://www.readbyqxmd.com/read/28095925/the-effect-of-cigarette-smoking-on-the-oral-and-nasal-microbiota
#10
Guoqin Yu, Stephen Phillips, Mitchell H Gail, James J Goedert, Michael S Humphrys, Jacques Ravel, Yanfang Ren, Neil E Caporaso
BACKGROUND: The goal of the study was to investigate whether cigarette smoking alters oral and nasal microbial diversity, composition, and structure. Twenty-three current smokers and 20 never smokers were recruited. From each subject, nine samples including supra and subgingiva plaque scrapes, saliva, swabs from five soft oral tissue sites, and one nasal swab from both the anterior nares were collected. 16S rRNA V3-V4 region was sequenced for microbial profiles. RESULTS: We found that alpha diversity was lower in smokers than in nonsmokers in the buccal mucosa, but in other sample sites, microbial diversity and composition were not significantly different by smoking status...
January 17, 2017: Microbiome
https://www.readbyqxmd.com/read/28095887/association-between-midlife-health-behaviours-and-transitions-out-of-employment-from-midlife-to-early-old-age-whitehall-ii-cohort-study
#11
Gareth Hagger-Johnson, Ewan Carr, Emily Murray, Stephen Stansfeld, Nicola Shelton, Mai Stafford, Jenny Head
BACKGROUND: It is important to determine whether unhealthy behaviours might influence transitions out of employment from midlife to old age, given the anticipated need for adults to work for longer. Our aim was to determine the association between repeated assessments of cigarette smoking, heavy/problem alcohol drinking, low physical activity and poor diet at midlife, in relation to work exit from midlife to old age. METHODS: Data from 7704 participants (5392 men) from the Whitehall II cohort study in employment at midlife were used to evaluate the association between unhealthy behaviours and a subsequent transition out of work during 22 years follow-up, using logistic regression models...
January 17, 2017: BMC Public Health
https://www.readbyqxmd.com/read/28095732/an-online-survey-of-tobacco-smoking-cessation-associated-with-naturalistic-psychedelic-use
#12
Matthew W Johnson, Albert Garcia-Romeu, Patrick S Johnson, Roland R Griffiths
Data suggest psychedelics such as psilocybin and lysergic acid diethylamide (LSD) may hold therapeutic potential in the treatment of addictions, including tobacco dependence. This retrospective cross-sectional anonymous online survey characterized 358 individuals (52 females) who reported having quit or reduced smoking after ingesting a psychedelic in a non-laboratory setting ⩾1 year ago. On average, participants smoked 14 cigarettes/day for 8 years, and had five previous quit attempts before their psychedelic experience...
January 1, 2017: Journal of Psychopharmacology
https://www.readbyqxmd.com/read/28095126/the-association-between-sensation-seeking-and-e-cigarette-use-in-texas-young-adults-a-cross-sectional-study
#13
Kathleen Case, Alexandra Loukas, Melissa Harrell, Anna Wilkinson, Andrew Springer, Adriana Pérez, MeLisa Creamer, Cheryl L Perry
OBJECTIVE: To examine the associations between sensation seeking and ever and current e-cigarette use in Texas young adults (18-29 years old). Current cigarette use was examined as a potential effect modifier of the associations. PARTICIPANTS: Participants included college students enrolled in four-year and two-year colleges in four metropolitan areas in Texas (n = 5,418) who completed the survey between November 2014 and February 2015. METHODS: This cross-sectional study utilized mixed effects logistic regression to determine the associations between mean sensation seeking scores and ever and current e-cigarette use after controlling for covariates...
January 17, 2017: Journal of American College Health: J of ACH
https://www.readbyqxmd.com/read/28095100/association-of-combined-cigarette-smoking-and-arms2-loc387715-a69s-polymorphisms-with-age-related-macular-degeneration-a-meta-analysis
#14
Mohammad Hossein Jabbarpoor Bonyadi, Mehdi Yaseri, Mortaza Bonyadi, Masoud Soheilian, Homayoun Nikkhah
PURPOSE: The age-related maculopathy susceptibility2 (ARMS2)/LOC387715 A69S (rs10490924) polymorphism and cigarette smoking have been shown to have significant association with AMD. In this meta-analysis we used the results of available association studies of combined ARMS2/LOC387715 genotypes and cigarette smoking with AMD to estimate the possible synergistic or multiplicative effects. METHODS: Heterogeneity of studies was evaluated using the Cochran Q-test and the I-square index...
January 17, 2017: Ophthalmic Genetics
https://www.readbyqxmd.com/read/28094557/cigarette-initiation-among-chinese-male-teenagers-in-early-smoking-interactions
#15
Vivian C Sheer, Chang Mao
To collect in-depth information regarding cigarette initiation interactions in the early smoking experimentation among male youth in China, twenty focus groups with male teenagers (N = 165) were conducted. Focus group discussions indicated a high prevalence of cigarette initiation among peers, and such initiation often translated into immediate smoking. Of the identified cigarette initiation appeals, "face" and normative pressure appeals were the most difficult to reject. Upon first initiation attempts, more teenagers accepted cigarettes than rejected them...
January 17, 2017: Health Communication
https://www.readbyqxmd.com/read/28094133/transgender-use-of-cigarettes-cigars-and-e-cigarettes-in-a-national-study
#16
Francisco O Buchting, Kristen T Emory, Scout, Yoonsang Kim, Pebbles Fagan, Lisa E Vera, Sherry Emery
INTRODUCTION: Tobacco use among transgender adults continues to be an area of research with few reported findings. The limited literature indicates higher cigarette use among transgender adults, compared with the general population. This national study is the first to report on cigarettes, cigars, and e-cigarettes by examining differences in transgender tobacco use independent of sexual orientation. METHODS: Data were collected in 2013 using a nationally cross-sectional online survey of U...
January 13, 2017: American Journal of Preventive Medicine
https://www.readbyqxmd.com/read/28093442/rococo-study-a-real-world-evaluation-of-an-over-the-counter-medicine-in-acute-cough-a-multicentre-randomised-controlled-study
#17
S S Birring, J Brew, A Kilbourn, V Edwards, R Wilson, A H Morice
OBJECTIVES: To investigate the efficacy and safety of CS1002, an over-the-counter cough treatment containing diphenhydramine, ammonium chloride and levomenthol in a cocoa-based demulcent. DESIGN: A multicentre, randomised, parallel group, controlled, single-blinded study in participants with acute upper respiratory tract infection-associated cough. SETTING: 4 general practitioner (GP) surgeries and 14 pharmacies in the UK. PARTICIPANTS: Participants aged ≥18 years who self-referred to a GP or pharmacist with acute cough of <7 days' duration...
January 16, 2017: BMJ Open
https://www.readbyqxmd.com/read/28093441/influence-of-premium-versus-value-brand-names-on-the-smoking-experience-in-a-plain-packaging-environment-an-experimental-study
#18
Gemma Skaczkowski, Sarah Durkin, Yoshihisa Kashima, Melanie Wakefield
OBJECTIVE: To examine the effect of branding, as indicated by brand name, on evaluation of the cigarette smoking experience. DESIGN: Between-subjects and within-subjects experimental study. Participants were randomly allocated to smoke a cigarette from a pack featuring a premium brand name and a cigarette from a pack featuring a value brand name. Within each condition, participants unknowingly smoked two identical cigarettes (either two premium or two value cigarettes)...
January 16, 2017: BMJ Open
https://www.readbyqxmd.com/read/28092948/oral-cell-dna-adducts-as-potential-biomarkers-for-lung-cancer-susceptibility-in-cigarette-smokers
#19
Stephen S Hecht
This perspective considers the use of oral cell DNA adducts, together with exposure and genetic information, to potentially identify those cigarette smokers at highest risk for lung cancer, so that appropriate preventive measures could be initiated at a relatively young age before too much damage has been done. There are now well established and validated analytical methods for the quantitation of urinary and serum metabolites of tobacco smoke toxicants and carcinogens. These metabolites provide a profile of exposure and in some cases lung cancer risk, but they do not yield information on the critical DNA damage parameter that leads to mutations in cancer growth control genes such as KRAS and TP53...
January 17, 2017: Chemical Research in Toxicology
https://www.readbyqxmd.com/read/28092945/nicotine-metabolism-and-smoking-ethnic-differences-in-the-role-of-p450-2a6
#20
Sharon E Murphy
Nicotine is the primary addictive agent in tobacco, and P450 2A6 (gene name: CYP2A6) is the primary catalyst of nicotine metabolism. It was proposed more than 20 years ago that individuals who metabolize nicotine poorly would smoke less, either fewer cigarettes per day or less intensely per cigarette, compared to smokers who metabolize nicotine more efficiently. These poor metabolizers would then be less likely to develop lung cancer due to their lower exposure to the many carcinogens delivered with nicotine in each puff of smoke...
January 17, 2017: Chemical Research in Toxicology
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