Research on tobacco, smoking, and quitting. Covers vaping trends, the social side of smoking, headache links, and cessation methods.
Researchers found adult smokers with bipolar disorder and schizophrenia drink the most caffeine, while those with mental illness are at highest risk of negative health consequences. The study suggests mood, metabolism, and self-medication may explain use patterns among this population.
Researchers at Arizona State University describe an innovative therapy using transient expression in tobacco plants to produce a monoclonal antibody against SARS-CoV-2. This class 4 mAb provides key advantages over existing treatments, including mutation resistance and universal protection against emerging variants.
Researchers at ETH Zurich have localized changes to DNA building blocks altered by tobacco smoke's toxic compounds. These findings suggest a potential method to predict cancer risk and study genetic predispositions.
Scientists mapped DNA damage caused by a compound found in cigarette smoke and industrial air. The study provides insight into how this compound damages DNA and can help predict genetic mutations related to human cancers. The technique could aid in forecasting exposures that lead to cancers.
Researchers at Washington State University found that CBD inhibits a key enzyme for nicotine metabolism, slowing down its effects and allowing smokers to wait before feeling the urge to smoke. The study suggests that CBD could be a useful tool in reducing harm from smoking and quitting nicotine addiction.
A smart necklace called SmokeMon tracks a user's every puff and provides valuable insights into their smoking behavior. By analyzing heat signatures, the device can detect when a cigarette is being lit, how much smoke is inhaled, and when the person holds it to their mouth, helping to prevent relapse and improve quit rates.
A new study from the Keck School of Medicine of USC found that vaping and smoking both cause significant DNA damage in oral epithelial cells. The frequency and duration of vaping were associated with increased levels of DNA damage, which is linked to chronic diseases such as cancer and inflammatory conditions.
Researchers at Rutgers University found that disposable e-cigarettes were more likely sold in specialized stores, while nicotine pouches were available in convenience stores and areas with non-Hispanic white residents. The study suggests that these products are targeted to different audiences and informs potential policy actions.
New UCLA research finds that tobacco smoking and vaping can predispose healthy young people to increased inflammation and severe COVID-19. The study, published in Journal of Molecular Medicine, found higher levels of key proteins in plasma from smokers and vapers compared to non-smokers.
A research group at Nagoya University has sequenced 95.6% of the Nicotiana benthamiana genome using next-generation sequencing technology. The findings provide insight into the plant's ability to perform grafting, a rare phenomenon in plants.
A comprehensive registry study found that infants whose mothers used snus during pregnancy were three times more likely to experience sudden infant death. Quitting snus early on lowered the risk, highlighting the need for women to avoid all types of nicotine products during pregnancy.
Substance use decreased among youths and young adults between 2019 and 2020, except for tobacco use reductions. Cannabis use increased among adults aged 25 and older during the pandemic. These findings should be interpreted with caution due to differences in data collection methods.
Scientists have identified horizontally transferred genes in insect genomes as valid targets for selectively killing green peach aphids and whiteflies. Silencing these genes using RNA interference reduces pest survival by up to 40%, with potential expansion to other insects through 'stacking' multiple targets.
A new study published in the Journal of Dental Research has found that heavy smokers with severe periodontitis do not receive any benefits from treatment. The study suggests that smoking cessation is crucial for effective treatment and may even worsen the disease during active treatment. The findings highlight the need to rethink pract...
A new study refutes industry claims that banning menthol cigarettes leads to increased use of illegal smokes. Researchers found no significant change in the purchase of cigarettes from First Nations reserves after the Canadian menthol ban.
During the COVID-19 pandemic, state-level cigarette sales varied significantly across the US. The analysis found lower per capita sales in eight states and higher sales in 22 states compared to expected levels. These findings may be related to differences in state responses to the pandemic and tobacco control policies.
A study of 5,308 participants aged 50-64 found significant correlations between sedentary behavior and low fitness levels. Highly uneven fitness distribution was observed among groups at higher risk, including older adults, foreign-born individuals, and those with poor health and lifestyle habits.
A Rutgers study found that Hispanic and Latino young men with higher education who were born in the US and speak mostly English at home are more likely to use e-cigarettes. The study analyzed data from 11,275 adult participants and found a high use of e-cigarettes among those under 45 years of age.
Researchers identified several characteristics increasing risk of infection, while others decreased it. Strict adherence to mask-wearing and vitamin D consumption provided significant protection against COVID-19.
A new UC Davis study reveals that close to half of the cancer deaths in California over two years (2017-2019) were associated with tobacco use, totaling 93,764 Californians. Tobacco control efforts have contributed to a decline in cancer mortality in California, but quitting is essential for patients with cancer.
Research suggests that most dual smokers and vapers will continue smoking or vaping over time. The study found that vaping didn't contribute to substantial smoking cessation at the population level, emphasizing the need to help dual users ditch both products.
Current tobacco and electronic nicotine delivery systems use associated with increased risk of bleeding after brushing or flossing. Longitudinal studies highlight the importance of tobacco cessation counseling in clinical practice.
A large genetic study found that more than 2,300 genes predict alcohol and tobacco use behaviors, with a majority shared among people of European, African, American, and Asian ancestries. The study's findings have the potential to identify individuals at high risk for substance misuse.
A study published in Tobacco Control found that alternatives to menthol cigarettes pose significant addiction and health risks. Mentholated pipe tobacco and tubes were the most appealing and addictive options, suggesting they should be included in the proposed ban.
Researchers developed an approach to connect Spanish-speaking smokers with tobacco treatment delivered by state Quitlines, leading to improved treatment enrollment and smoking cessation outcomes. Patients who received treatment in Spanish completed more counseling calls and were more likely to report abstinence from smoking than those ...
The FDA ban on flavored e-cigarettes did not lead to a significant decrease in adult vaping rates. In fact, many users switched to other flavored e-cigs or tobacco products. The study suggests that policy loopholes and the availability of newer products contributed to the failure of the ban.
Researchers found that acknowledging physicians' efforts with letters and certificates improved tobacco cessation e-referral rates after a January 2022 rollout. Providing access to accurate EHR data can also enhance clinical outcomes in vulnerable populations.
Patients who received treatment in Spanish were twice as likely to be abstinent at six months compared to those treated in English. Receipt of nicotine replacement therapy increased abstinence rates for all patients, regardless of language preference.
A study aims to use e-visits to bridge the gap in smoking cessation services for rural smokers. Primary care providers are overwhelmed, but e-visits could provide an efficient solution.
A study published in Radiology found that marijuana smokers have a higher incidence of emphysema and airway inflammation compared to non-smokers and tobacco-only smokers. The researchers suggest that the unfiltered nature of marijuana smoke and longer breath-hold puffs may contribute to these findings.
Researchers found that exposure to e-cigarettes, marijuana, and tobacco led to increased scarring, decreased blood vessels, and changes in heart nerves, all contributing to an increased risk of arrhythmias. These substances can cause similar harm to the heart as traditional cigarettes.
Researchers from the University of Ottawa found an association between marijuana smoking and chronic damage to airways, including higher rates of paraseptal emphysema and airway inflammatory changes. The study suggests that marijuana smoking may lead to additional lung damage beyond what is seen in tobacco smokers.
A new study of 200,000 patients found that those who smoke cigarettes and drink heavily are more likely to experience post-surgical complications. However, talking to a health coach about drinking-related risks before surgery can help patients cut their alcohol use in half and reduce the likelihood of surgical issues.
A new study from the University of Bath has found that clinical trials on heated tobacco products (HTPs) are often biased, with many being funded or affiliated with the tobacco industry. This raises concerns about the validity of HTPs as a safer alternative to cigarettes.
A new analysis reveals that US adolescent e-cigarette use is increasing in intensity, with a significant rise in nicotine addiction over the past few years. The study found that 2.55 million adolescents use e-cigarettes, and 27.6% of them use it daily.
A survey study of 151,000 students found that e-cigarette users were more likely to initiate tobacco use within minutes of waking. This increase in intensity and addiction is a concern, emphasizing the need for clinicians to address youth nicotine addiction during clinical encounters.
Research found high levels of sweet and fruit-flavour chemicals in 'tobacco-flavoured' e-cigarette liquids, particularly fruity and caramellic flavour chemicals. The study suggests manufacturers are getting around regulations by using these flavour chemicals in products marketed as 'tobacco-flavoured', raising concerns about their safety.
Reducing nicotine content in cigarettes could lessen addiction and lower exposure to toxicants, increasing a smoker's chances of quitting. The study found that smokers with mood or anxiety disorders were more likely to have quit smoking after using reduced-nicotine cigarettes.
Research found social vulnerabilities such as poverty and minority status linked to increased cardiometabolic risk during pregnancy. The study analyzed nearly 19 million pregnancies in US counties from 2016-2020 and found that four leading cardiometabolic risk factors were associated with some social vulnerability.
A recent study published at the American Heart Association’s Scientific Sessions 2022 found that pod-based e-cigarette users experienced changes in blood vessel health comparable to traditional cigarette smokers. The research, which included 106 young adults without cardiovascular disease, measured vascular function, blood pressure, an...
Researchers found that vaping and smoking e-cigarettes led to greater constriction of the brachial artery and worse heart rate variability, indicating activation of the sympathetic nervous system. Vaping was also associated with poorer performance on exercise stress testing compared to non-nicotine users.
Researchers analyzed 30 years of cardiovascular mortality data from the US and UK, finding that lead exposure contributes more to CVD death risks in the US. The study also revealed a steady decline in cardiovascular deaths associated with all environmental factors in both countries.
Two NIH-funded studies show long-term e-cigarette use can impair blood vessel function, increasing the risk for cardiovascular disease. The findings also suggest combining e-cigs with tobacco may increase health risks compared to using them individually.
A new study by Syracuse University researchers found that more conservative state policies were associated with higher mortality rates among US workers. The study suggests that liberalizing policies on gun safety, labor, and tobacco taxes could lower mortality rates.
Two studies found that cigarette smoke and e-cigarette vapor have similar cardiovascular effects due to airway irritation. This irritation can lead to vascular damage and impaired blood vessel function. The research suggests that dual product use may be worse than single product use, highlighting the need for stricter regulations.
A study by University of Louisville researchers found that exposure to e-cigarette aerosols can cause heart arrhythmias in animal models, promoting arrhythmias and cardiac electrical dysfunction. The study suggests that certain flavors or solvent vehicles in e-liquids may disrupt the heart's electrical conduction and provoke arrhythmias.
Research reveals that pregnant smokers decrease their daily cigarette count by an average of one cigarette per day before realizing they are pregnant. This trend continues in the month following pregnancy recognition, with a decline from nine to five cigarettes per day on average.
A study found that nicotine from a single cigarette reduces estrogen production in women's brains, which may explain their greater resistance to quitting smoking. The effect was observed in the thalamus, part of the limbic system involved in behavioral responses.
A randomized study with over 1,500 US teens found that Real Cost ads lowered openness to vaping and cigarette smoking. Researchers discovered similar effectiveness for 'health harms' versus 'addiction' themed ads.
A proposed U.S. menthol ban could significantly reduce plastic pollution and toxic chemical leaching into soil and water supplies. The ban is estimated to cut littering by 3.8 billion cigarette butts annually, saving approximately 1.7 million pounds of waste.
A study finds that menthol cigarettes are used by nearly two out of five adult smokers, with Black smokers using them at an alarming rate. The CDC is considering banning menthol-flavored cigarettes due to concerns over their impact on public health, particularly among young people and marginalized groups.
The FDA's warning letters issued in 2020 and 2021 revealed that the regulator is failing to target leading tobacco companies and products most popular among young people. Over 90% of warnings were sent to small online retailers, while flavoured refillable e-cigarette liquids accounted for over 90% of the products cited.
A UC Riverside-led study found that acute THS exposure initiates mechanisms of inflammatory skin disease and elevates urinary biomarkers of oxidative harm. The researchers discovered elevated molecular biomarkers in blood associated with early-stage activation of contact dermatitis, psoriasis, and other skin conditions.
A Rutgers study found that over 40% of store visits in New Jersey resulted in underage buyers successfully purchasing cigarettes and other tobacco products. The strongest predictor of an underage sale was failing to card, with independent stores and gas kiosks showing lower rates of age verification.
A new European study confirms that banning menthol cigarettes leads to increased smoking cessation rates, with 26.1% of menthol smokers quitting compared to 14.1% of non-menthol smokers. The study also finds that a proposed US ban on menthol cigarettes could lead to over 1.3 million quitters.
Researchers discovered a pattern of DNA mutations that links bladder cancer to tobacco smoking using a powerful new machine learning tool. The tool identified four mutational signatures, including one tied to tobacco smoking, which could lead to more customized treatments for patients with specific cancers.
A recent study found that former smokers who stick to a healthy lifestyle have a lower risk of dying from all causes, including cancer and heart and lung diseases. The study analyzed data from over 159,000 former smokers and found that maintaining a healthy lifestyle was associated with a 27% reduction in the risk of death.
A new study reveals that smoking is the main cause of preventable cancer and death in England, with socio-economic disparities in cancer incidence attributed to smoking prevalence. If everyone had the same smoking prevalence as the least deprived quintile, over 5,000 cases per year could have been prevented.
A mobile app will be developed to record cigarette smoke exposure and other air pollutants in everyday locations, engaging Black and American Indian youth as Citizen Scientists. The study aims to enhance youth engagement in healthy environments and local clean-air policies.
Two UC Riverside-led studies found 30% of Native Hawaiian/Pacific Islanders diagnosed with COVID-19 and nearly 1 in 5 reported a close family member's death due to the virus. The research also highlighted high levels of substance use, depression, anxiety, and unmet treatment need among NH/PIs during COVID-19.