نتایج جستجو برای: electronic cigarette

تعداد نتایج: 254463  

Journal: :Journal of chromatography. A 2015
Jason S Herrington Colton Myers

Electronic cigarettes (e-cigarettes) are growing in popularity exponentially. Despite their ever-growing acceptance, their aerosol has not been fully characterized. The current study focused on evaluating e-cigarette solutions and their resultant aerosol for potential differences. A simple sampling device was developed to draw e-cigarette aerosol into a multi-sorbent thermal desorption (TD) tub...

Journal: :Respiratory research 2016
Andrew Higham Nicholas J W Rattray Jennifer A Dewhurst Drupad K Trivedi Stephen J Fowler Royston Goodacre Dave Singh

BACKGROUND The use of electronic cigarettes (e-cigs) is increasing and there is widespread perception that e-cigs are safe. E-cigs contain harmful chemicals; more research is needed to evaluate the safety of e-cig use. Our aim was to investigate the effects of e-cigs on the inflammatory response of human neutrophils. METHODS Neutrophils were exposed to e-cig vapour extract (ECVE) and the expr...

2015
Jeremie Blaser Jacques Cornuz

OBJECTIVES In some countries, nicotine-containing electronic cigarettes (e-cigarettes) are considered a consumer product without specific regulations. In others (eg, Switzerland), the sale of e-cigarettes containing nicotine is forbidden, despite the eagerness of many smokers to obtain them. As scientific data about efficacy and long-term safety of these products are scarce, tobacco control exp...

Journal: :Psychology of addictive behaviors : journal of the Society of Psychologists in Addictive Behaviors 2016
Lynne Dawkins Marcus Munafò Gina Christoforou Naomi Olumegbon Kirstie Soar

Electronic cigarette (e-cigarette) use is becoming increasing popular among smokers, and there is a plethora of devices available. Nicotine delivery is clearly important for reducing tobacco craving and withdrawal symptoms, but other sensorimotor aspects of e-cigarettes (such as visual appearance) may contribute to this effect. This study explored whether it is important for an e-cigarette to v...

2017
Mumiye A. Ogunwale Mingxiao Li Mandapati V. Ramakrishnam Raju Yizheng Chen Michael H. Nantz Daniel J. Conklin Xiao-An Fu

Acetaldehyde, acrolein, and formaldehyde are the principal toxic aldehydes present in cigarette smoke and contribute to the risk of cardiovascular disease and noncancerous pulmonary disease. The rapid growth of the use of electronic cigarettes (e-cigarettes) has raised concerns over emissions of these harmful aldehydes. This work determines emissions of these aldehydes in both free and bound (a...

2015
R. J. Robinson E. C. Hensel P. N. Morabito K. A. Roundtree Silvio Garattini

This paper presents the results of a clinical, observational, descriptive study to quantify the use patterns of electronic cigarette users in their natural environment. Previously published work regarding puff topography has been widely indirect in nature, and qualitative rather than quantitative, with the exception of three studies conducted in a laboratory environment for limited amounts of t...

Journal: :IUG Journal of Natural Studies 2023

Background: Smoking is a global problem that negatively affects human health and fertility the endocrine functions of male reproductive system. Objectives: The present study aims to investigate influence different types tobacco smoking (cigarette, hookah, electronic) on semen parameters sex hormones in males from Gaza Strip. Methods Materials: A total 206 samples were classified into 156 cases ...

Journal: :Pediatrics 2014
Jennifer C Duke Youn O Lee Annice E Kim Kimberly A Watson Kristin Y Arnold James M Nonnemaker Lauren Porter

BACKGROUND AND OBJECTIVE Currently, the US Food and Drug Administration does not regulate electronic cigarette (e-cigarette) marketing unless it is advertised as a smoking cessation aid. To date, the extent to which youth and young adults are exposed to e-cigarette television advertisements is unknown. The objective of this study was to analyze trends in youth and young adult exposure to e-ciga...

2014
Lisa Schmidt Alison Reidmohr Todd S. Harwell Steven D. Helgerson

We used data from the 2013 Montana Adult Tobacco Survey to estimate the prevalence of electronic cigarette (e-cigarette) use and reasons for initiation among Montana adults. More than 1 in 10 (11.2%, 95% confidence interval [CI], 9.1%-13.2%) adults reported ever using e-cigarettes, and 1.3% (95% CI, 0.7%-1.9%) reported current use. Most respondents reported "trying something new" (64%) or "tryi...

نمودار تعداد نتایج جستجو در هر سال

با کلیک روی نمودار نتایج را به سال انتشار فیلتر کنید