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Smoking out sources of in-home air pollution
An ambitious study led by San Diego State University researchers has investigated various factors that contribute to air pollution inside the house. Not surprisingly, cigarette smoke emerged as a major source of airborne particles in homes with smokers, but cleaning products, candles, frying food and marijuana smoking also jumped out as in-home air polluters. It's the first study to identify marijuana as a significant source of in-home air pollution. (2017-05-17)

Hookah smokers are inhaling toxic chemicals that may harm the heart
Smoking tobacco in hookahs results in inhaling significant levels of toxic chemicals, such as carbon monoxide, and particulates from tobacco that can harm blood vessels and the heart. Globally, hookah smoking is more common among youth and young adults, encouraged by flavored tobacco marketing, social media promotion and misperceptions regarding its addictive potential and health effects. (2019-03-08)

Marijuana associated with three-fold risk of death from hypertension
Marijuana use is associated with a three-fold risk of death from hypertension, according to research published today in the European Journal of Preventive Cardiology. (2017-08-09)

Investigational drug study may determine if lung cancer is preventable in cigarette smokers
Researchers at The Robert H. Lurie Comprehensive Cancer Center of Northwestern University are seeking participants for a National Cancer Institute-sponsored study of an investigational drug that may prevent cigarette smokers from developing cancer. (2000-10-11)

E-cigarette flavors are toxic to white blood cells, warn scientists
A new study adds to growing evidence on the harmful health effects of e-cigarettes. The study finds that exposure to commonly used e-cigarette flavoring chemicals and liquids can cause significant inflammation to monocytes, a type of white blood cell. Moreover, many flavoring compounds are toxic, with cinnamon, vanilla and buttery flavors among the worst. It also finds that mixing e-cigarette flavors has a much worse effect than exposure to just one. (2018-01-30)

E-cigarettes and tobacco product use linked to increased risk of oral cancer
At the 96th General Session of the International Association for Dental Research (IADR), held in conjunction with the IADR Pan European Regional (PER) Congress, Benjamin Chaffee, University of California, San Francisco, USA gave a poster presentation 'Nicotine and Carcinogen Exposure by Tobacco Product Type and Dual-Use.' (2018-07-28)

Some e-cigarette ingredients are more toxic than others
A new study shows that e-liquids in e-cigarettes are potentially far from harmless and contain ingredients that can vary wildly from one type of e-cigarette to another. The study, publishing March 27 in the open-access journal, PLOS Biology, by UNC School of Medicine scientists led by Robert Tarran, created a new screening technique to deduce the different toxicity levels of the more than 7,700 types of e-liquid flavors available to consumers. (2018-03-27)

Using science to combat addiction
In this Policy Forum, Keith Humphreys and colleagues highlight the need for science, and particularly neuroscience, to inform policies that address addiction. (2017-06-22)

Tests on airway tissue reveal glo vapour has minimal impact compared to smoke
Scientists at British American Tobacco used state-of-the-art genomic testing to assess human air-way tissue exposed to glo vapour. Gene profiling revealed just two changes in genes in tissue exposed to glo vapour. This compares to thousands of changes in genes in tissue exposed to cigarette smoke. These results add to evidence suggesting that glo could be reduced risk compared to cigarettes. (2018-02-05)

Waterpipe and cigarette smoking linked to heart attacks at younger age in Saudi Arabians
Riyadh, Saudi Arabia 7 March 2019: Waterpipe and cigarette smoking are associated with heart attacks at a younger age in Saudi Arabians, reports a study presented at the 30th Annual Conference of the Saudi Heart Association (SHA 30). Smokers have more complications and worse outcomes. (2019-03-07)

Liquid nicotine for electronic cigarettes is toxic for kids
A 6-year-old child who accidentally swallowed liquid nicotine intended for her parents' electronic cigarettes required immediate emergency medical treatment that included intubation and an overnight stay in a pediatric intensive care unit. The unique case report was reported online recently in Annals of Emergency Medicine ('Unintentional Pediatric Ingestion of Electronic Cigarette Nicotine Refill Liquid Necessitating Intubation'). (2017-01-04)

Rutgers researchers highlight need for more smoking cessation programs in state prisons
Inmates want to quit smoking but don't have access to smoking cessation programs in state prisons, increasing the risk - especially among black male inmates -- of cancer, heart disease, stroke and other smoking-related diseases, according to Rutgers researchers. (2019-01-28)

Editorial: Use big tobacco's Nov 26 corrective statements to reduce smoking
The court-ordered publication of 'corrective statements' by major US tobacco companies later this month should serve as a reminder that tobacco addiction remains a major health problem in the country and that Big Tobacco has a long history of marketing practices aimed at hooking a new generation on a lethal product, according to an editorial published online in the Annals of the American Thoracic Society. (2017-11-15)

Switching from smoking to glo significantly reduces exposure to toxicants
Clinical studies by scientists at British American Tobacco indicate that when smokers switched completely from conventional cigarettes to glo, their exposure to certain harmful chemicals was significantly reduced. In some cases, the reductions were the same as those in smokers who quit altogether. These data suggest the potential of glo as a reduced-risk product. glo is a tobacco heating product designed to heat rather than burn tobacco. Tests show that glo vapour has around 90-95 percent less toxicants than smoke. (2018-02-24)

Study: Almost 100 million adults have COPD in China
Chronic obstructive pulmonary disease (COPD) is widespread in China with 8.6 percent of the country's adult population -- almost 100 million people -- suffering from the chronic lung disease, according to a new Tulane University study published in The Lancet. The study, which provided lung-function screenings for more than 50,990 participants, is the largest survey of COPD across age groups ever conducted in China. (2018-04-09)

Ex-smokers might be better off with high rather than low nicotine e-cigs
Vapers using low rather than high nicotine e-cigarettes may be using their devices more intensely, potentially increasing the risk of exposure to toxins in the vapour, according to new research funded by Cancer Research UK and published in Addiction today. (2018-06-07)

The nicotine in e-cigarettes appears to impair mucus clearance
E-cigarette vaping with nicotine appears to hamper mucus clearance from the airways, according to new research published online in the American Thoracic Society's American Journal of Respiratory and Critical Care Medicine. (2019-06-07)

Do less harm: E-cigarettes a safer option than smoking
A new article publishing in the forthcoming volume of the Annual Review of Public Health focuses on harm minimization and smoking cessation, with alternative nicotine products like e-cigarettes emerging as a promising avenue for people who want to quit smoking. (2018-01-11)

Smokers 20 percent more likely to quit when cigarettes cost $1 more
Smokers were found to be 20 percent more likely to quit smoking when packs of cigarettes cost just one dollar more, according to a new public health study out of Drexel University. (2017-08-18)

Study: E-cigarette online vendors triple, concerns raised about marketing, delivery
Two studies by UNC Lineberger Comprehensive Cancer Center researchers reveal trends in the marketing practices, pricing, delivery methods of online e-cigarette vendors. (2017-11-09)

Smoking linked to higher risk of peripheral artery disease in African-Americans
African-Americans who smoke appear to be at greater risk for peripheral artery disease, or PAD, new research has found. Additionally, the findings suggest that smoking intensity -- how many cigarettes a day and for how many years -- also affects the likelihood of getting the disease. (2019-01-23)

Graphic warnings snuff out cigarettes' appeal to kids
New research from Cornell University suggests graphic warning labels on cigarette ads have the same anti-smoking effect as similar warning labels on cigarette packs. (2018-12-07)

Global treaty is leaving some countries vulnerable to increase in tobacco consumption
Two studies published in the British Medical Journal show there is no statistical evidence that global cigarette consumption has fallen as a result of the World Health Organization's Framework Convention on Tobacco Control, and in low-and-middle-income countries it has actually increased, according to two studies led by global health researchers at York University. (2019-06-20)

Vaping may harm fertility in young women
E-cigarette usage may impair fertility and pregnancy outcomes, according to a mouse study published in the Journal of the Endocrine Society. (2019-09-05)

Are women using e-cigarettes during preconception and/or pregnancy?
A new study of 1,365 racially/ethnically diverse, low-income pregnant women found that 4% reported e-cigarette use. (2020-03-16)

US smokers don't believe vaping is less harmful than smoking
A growing proportion of US adults do not believe that e-cigarettes are less harmful than smoking, according to an analysis of the US Population Assessment of Tobacco and Health (PATH) study data from 2013 to 2015. (2018-06-14)

Formidable duo: Protective effect of CD9 and CD81 in COPD and accelerated aging
Chronic obstructive pulmonary disease (COPD) is a disease of accelerated lung aging, but the mechanism remains unclear. Osaka University-centered researchers studied the aging-like phenotype and its underlying mechanisms in a COPD mouse model. Double deletion of tetraspanins CD9 and CD81 in epithelial cells downregulated expression of the protein SIRT. As SIRT1 is a key molecule that protects against various lifestyle-related diseases and aging, these tetraspanins may serve as novel therapeutic targets for COPD and aging (2018-04-16)

Large study finds higher rates of early substance use among children with ADHD
Children with ADHD engaged in substance use at a younger age and had a significantly higher prevalence of regular marijuana and cigarette use as adults. (2018-01-23)

E-cigarettes can help smokers quit, but there's a catch
Frequent e-cigarette use does help smokers quit -- a finding that Georgetown Lombardi Comprehensive Cancer Center researchers say supports the use of e-cigarettes as a cessation aid for those trying to quit cigarette smoking. But, they note, an examination of a recent national survey uncovers important clues about who's successful at quitting and why. (2017-08-31)

Female smokers more likely to kick the habit by 'timing' their quit date with their menstrual cycle
Women who want to quit smoking may have better success by carefully timing their quit date with optimal days within their menstrual cycle, according to a new study from researchers at the Perelman School of Medicine at the University of Pennsylvania. The results, published online this month in Biology of Sex Differences, were also presented at the annual meeting of the Organization for the Study of Sex Differences, held at Penn. (2016-05-31)

Researchers identify gene that influences nicotine dependence
A DNA variant--located in the DNMT3B gene and commonly found in people of European and African descent--increases the likelihood of developing nicotine dependence, smoking heavily, and developing lung cancer, according to a new study led by RTI International. (2017-10-10)

Drexel study: 'Non-smoking' doesn't mean smoke-free
Despite decades of indoor smoking bans and restrictions, new research from Drexel University suggests the toxins we've been trying to keep out are still finding their way into the air inside. Findings by a group of environmental engineers show that third-hand smoke, the chemical residue from cigarette smoke that attaches to anything and anyone in the vicinity of a smoke cloud, can make its way into the air and circulate through buildings where no one is smoking. (2018-05-09)

Juul e-cigarettes pose addiction risk for young users, Stanford study finds
Teens and young adults who use Juul brand e-cigarettes are failing to recognize the product's addictive potential, despite using it more often than their peers who smoke conventional cigarettes, according to a new study by researchers at the Stanford University School of Medicine. (2018-10-19)

This is a neuron on nicotine
Newly developed sensors visually illustrate how nicotine affects cells from the inside out. (2019-02-07)

Just one cigarette a day carries greater risk of heart disease and stroke than expected, warn expert
Smoking just one cigarette a day has a much higher risk of developing coronary heart disease and stroke than expected -- about half the risk of smoking 20 per day -- concludes a review of the evidence published by The BMJ today. (2018-01-24)

E-cigarettes linked to heart attacks, coronary artery disease and depression
Concerns about the addictive nature of e-cigarettes -- now used by an estimated 1 out of 20 Americans -- may only be part of the evolving public health story surrounding their use, according to data being presented at the American College of Cardiology's 68th Annual Scientific Session. New research shows that adults who report puffing e-cigarettes, or vaping, are significantly more likely to have a heart attack, coronary artery disease and depression compared with those who don't use them or any tobacco products. (2019-03-07)

Do 'light' cigarettes deliver less nicotine to the brain than regular cigarettes?
So-called light (low) nicotine cigarettes act in a similar way to regular cigarettes by occupying most of the common nicotine receptors in the brain. (2008-09-26)

Popular electronic cigarette may deliver nicotine more effectively than others
When it comes to nicotine delivery, not all electronic cigarettes are created equally, according to Penn State researchers. New research from Penn State College of Medicine shows that JUUL, a popular pod-based electronic cigarette, can deliver more nicotine at a faster rate than most other types of electronic cigarettes that have been studied. (2019-11-15)

Perceived benefits of e-cigarettes may lead to higher experimentation rates
E-cigarettes supply nicotine through inhaled water vapor. While the addictiveness and long-term effects of using e-cigarettes as a nicotine delivery system are unknown, many people anecdotally believe that they are safer than traditional tobacco products. According to a new study published in the February issue of the American Journal of Preventive Medicine, the belief that e-cigarettes pose less of a health risk may lead to increased experimentation with e-cigarettes among young adults. (2014-01-07)

Do young users of noncigarette tobacco products progress to conventional cigarettes?
The use of electronic cigarettes, hookahs, noncigarette combustible tobacco or smokeless tobacco by adolescents were each associated with starting to smoke conventional cigarettes within a year. (2018-01-02)

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