Articles tagged with Smoke
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A study published in Environmental Research Letters finds that human-ignited fires are responsible for over 67% of small smoke particles called PM2.5 in the US, leading to 20,000 premature deaths annually. The research highlights the need for ignition-focused management plans to reduce human-ignited fires and minimize health impacts.
A government policy that pushed back the sowing of rice in northwest India led to a delay in harvests and agricultural burning, exacerbating air pollution. Without this delay, cities like New Delhi would have seen an average of 11-21% less smoke-related air pollution between 2008 and 2019.
Wild geese in Germany, Denmark, and the Netherlands experience significant changes in their behavior after fireworks, including flying further and foraging more, even after the disturbances end. The effects persist for up to two weeks, with birds leaving their sleeping sites and flying hundreds of kilometers non-stop.
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.
Researchers have made a surprising discovery that liquid smoke can enhance plant defense against pests and diseases, leading to new farming practices. The study found that sunflowers grown in soil treated with liquid smoke had larger, thicker, and greener leaves and appeared less prone to pests and disease.
A new study reveals that western wildfires can strengthen storms in central US states, leading to heavier rain and flash flooding. The heat and airborne particles from wildfires intensify severe storms, with some cases bringing hailstones larger than baseballs.
A randomized clinical trial found that targeted health-focused advertisements reduced vaping initiation among US adolescents. The study also showed a decrease in cigarette smoking behaviors among participants.
A study of 11,600 adolescents found e-cigarette ads and peer influence significantly associated with starting vape use. Efforts to address youth vaping should consider reducing ad exposure and peer pressure measures.
A large study of former smokers found that those adhering to evidence-based recommendations for body weight, diet, physical activity, and alcohol intake had a significantly lower risk of death. The study included nearly 160,000 older U.S. adults and showed that better lifestyle habits can reduce mortality risk from various causes.
Research from North Carolina State University and the International Research Laboratory Takuvik found that wildfire smoke in Siberia amplified a phytoplankton bloom in the Arctic Ocean. The bloom was larger than normal, requiring a substantial influx of new nitrogen supply to occur.
Researchers found that children are more likely to develop asthma if their father was exposed to second-hand smoke as a child. The study also shows that the risk is higher for children whose fathers smoked themselves. Epigenetic changes may be responsible for passing on this increased risk through generations.
A new study by San Diego State University analyzed 332,277 TripAdvisor guest reviews and found that designated smoking and non-smoking rooms are insufficient for protecting guests from thirdhand smoke. Hotels that adopted 100% smoke-free policies had significantly fewer complaints related to tobacco pollution.
A recent study published in the European Respiratory Journal found that children are more likely to develop asthma if their father was exposed to second-hand smoke as a child. The risk is even higher if the father went on to become a smoker himself. The researchers suggest that smoking can damage health not only for smokers and their c...
A NASA initiative studies wildfire-induced air pollution by measuring atmospheric CO and O3 levels using airborne observations. The study found that CO levels increased in the plume as it was transported away from the fire site, while plume age was associated with distance in both vertical and horizontal directions.
A study led by Leibniz Institute for Tropospheric Research reveals that smoke from the Australian Black Summer wildfires spread across the southern hemisphere, warming upper atmosphere and cooling lower atmosphere. This has significant implications for climate modeling due to increasing wildfire frequency under climate change.
A study of Irish teenagers found that those whose parents smoked were 55% more likely to try e-cigarettes. The proportion who had tried e-cigarettes increased from 23% in 2014 to 39% in 2019. This trend is concerning, as vaping can lead to nicotine addiction and other health problems.
Research from the University of Georgia found that physically active high school students were 23% more likely to use e-cigarettes than their less active peers. The study linked physical activity levels to risk of e-cigarette use among American adolescents.
A study published in Scientific Reports found that Australian bushfires contributed to the highest recorded temperature in the lower stratosphere since the early 1990s. The smoke aerosols emitted by the fires led to a significant increase in stratospheric temperatures, with a modelled temperature spike of around 0.65 degrees Celsius.
A new UCL-led study found that most British adults support stricter tobacco regulations, including banning sales near schools and raising the legal age to 21. The survey of over 1,700 adults in England and Scotland showed strong majority support for these policies.
A Rutgers University study reveals that nearly 40% of medical marijuana users also use nicotine products, sharply higher than the general population. The study found that therapeutic cannabis users who also used electronic cigarettes or didn't use nicotine at all were more likely to vape cannabis.
The USPSTF recommends prescribing statins for adults aged 40-75 with one or more CVD risk factors and estimated 10-year CVD risk of 10% or greater. For those aged 76 or older, the evidence is insufficient to make a recommendation. Statin use can significantly reduce CVD events and mortality in this population.
A pilot vape shop voucher scheme helped 42% of entrenched smokers quit smoking within four weeks, according to a new study. The scheme, which targeted vulnerable and disadvantaged smokers, saw improved results compared to other forms of smoking cessation support.
A study of 2,700 children in the Netherlands found a possible association between maternal smoking and suboptimal brain development among offspring. The research suggests that tobacco use during pregnancy may impact preadolescent brain development.
The prevalence of past-year quit attempts among adult smokers decreased in 2020, while nicotine replacement therapy sales dropped. This suggests that reengaging smokers who faced negative outcomes during the pandemic should be a priority for quit attempt assistance.
Climate change is intensifying Western US wildfire activity, resulting in taller smoke plumes and more aerosols injected into the atmosphere. The study models 4.6 million smoke plumes and finds that maximum plume height increased by an average of 320 ft per year in four regions, with some areas experiencing a 750 ft per year increase.
A recent study found that people who smoke or vape prior to hospitalization for COVID-19 are more likely to experience severe complications, including death. The study, which analyzed data from the American Heart Association's COVID-19 CVD Registry, also showed that young individuals are particularly at risk.
A recent study on adult e-cigarette use highlights the need for a more nuanced public health approach. While e-cigarettes pose risks, they also offer potential benefits for cessation of combustible cigarette smoking. Researchers suggest balancing concerns with evidence-based strategies to promote e-cigarette use as a tool for quitting.
A study of 994,000 US adults found a slight decrease in current e-cigarette use between 2018 and 2020, mainly among young adults aged 18-20. Daily e-cigarette use increased, particularly among those aged 21-24, indicating greater nicotine dependence.
Scientists have developed a new method to estimate the impact of black carbon from wildfires on climate change, using measurements of light absorption by coated soot particles. The study provides a more accurate way to forecast global climate change and resolves a long-standing uncertainty in earth system models.
A study found that cannabis use and daily use are more common in US states with recreational cannabis laws compared to those without. Cigarette smokers in these states have even higher rates of cannabis use.
A new study warns of the devastating effects of nuclear war on the Earth's systems. Global temperatures would plummet by 13 degrees Fahrenheit, causing crop failure worldwide. Ocean temperatures would drop quickly, leading to a 'Nuclear Little Ice Age' and disrupting marine ecosystems.
Researchers found that short-term smoking cessation programs in prison are ineffective, and that longer interventions with group counseling are needed. The study's results highlight the need for more attention to tobacco cessation in correctional settings.
The American Heart Association has revised its cardiovascular health checklist to include sleep duration as a key factor in ideal heart and brain health. The new Life's Essential 8 score replaces the previous Life's Simple 7 and assesses factors such as diet, physical activity, nicotine exposure, and blood pressure.
A new study in the Journal of Dairy Science finds that dairy cows exposed to wildfire smoke experience reduced milk production and altered immune function. The researchers observed a decrease in milk yield for seven consecutive days during the smoke exposure period, which persisted for another seven days post-exposure.
Children are at higher risk of health changes due to air pollution and climate change impacts, including increased asthma rates and vector-borne diseases. Caregivers can take steps to minimize exposure by making personal and family changes such as using electric cars, reducing meat consumption, and improving indoor air quality.
A UNLV study analyzed nearly 30,000 broken bone cases and found that smoking increases the risk of breaking a bone by as much as 37%. The study also found that men are more likely to experience fractures, particularly in the wrists, spine, and shoulders, due to nicotine's negative impact on bone cells and calcium absorption.
Researchers discovered that dermal contact with nicotine concentrations found in thirdhand smoke and electronic cigarette spills can impair wound healing, increase susceptibility to skin infections, and cause oxidative stress in skin cells. The study suggests that even a short exposure of 24 hours is sufficient to cause skin damage.
A nationally representative study found that menthol cigarettes increase frequency of smoking among US youth, leading to higher nicotine dependence. The study suggests a strong case for the FDA's proposed ban on menthol flavoring in cigarettes to protect young smokers.
The proposed ban on menthol cigarettes aims to address health inequities in the Black community. The Rutgers Center for Tobacco Studies has found a strong link between menthol use and higher smoking rates among young people and reduced success in quitting.
Total US cigarette retail sales declined significantly, with a -12.8% decrease in annual sales from 2015 to 2021. Cigarette prices also decreased, with a average annual price drop of $0.75 per pack.
A randomized clinical trial found that smokers who received cigarette packs with graphic warning labels hid their packs 38% more often. However, when they returned to regular packs without the labels, hiding behavior returned to baseline levels. The study suggests that graphic warnings may not be effective in reducing smoking behavior.
The study reveals disparities in receiving smoking cessation assistance based on regional differences, with some areas having significantly lower access. The research highlights the importance of addressing these disparities to ensure equitable healthcare for smokers.
Research at Columbia University Mailman School of Public Health found that cannabis vaping is the most popular method of cannabis delivery among all adolescents, with frequent use rising faster than occasional use. The study also highlights disparities in vaping use among different demographic groups and its link to nicotine use.
A minimally invasive device combined with molecular biomarkers has shown a 90% success rate in detecting esophageal squamous cell carcinoma, the predominant subtype of esophageal cancer. Early detection is crucial to improve survival rates, as symptoms often become apparent too late for effective treatment.
A new study validates modeling of megafire smoke using satellite- and ground-based observations from Australia and British Columbia. The research improves predictive capability for global-scale events, enhancing our understanding of climate change impacts.
Researchers found that COPD leads to premature senescence of the immune system, reducing CD4+ and CD8+ T cells. This disruption impairs the immune system, making COPD patients more susceptible to infections.
A significant proportion of patients with head and neck squamous cell carcinoma who smoke daily at diagnosis continue to smoke two years post-treatment. Most quitters stop smoking within the first six months after treatment.
Adult smokers who switch to vaping are more likely to report better physical health, exercise, and social engagement. While e-cigarettes still carry risks, the study suggests they can be associated with other healthy lifestyle choices for those who already smoke.
Research published in Circulation Journal Report found no cardiovascular disease benefits among adults using both e-cigarettes and traditional cigarettes. E-cigarette use was associated with lower self-reported cardiovascular events compared to traditional cigarette smoking, but more data are needed for long-term evidence.
A survey study of over 7,000 smokers aged 16-19 in England found that the menthol cigarette ban was associated with a significant decrease in menthol usage. The ban had little effect on youth smoking habits in Canada and the United States.
Experts propose a consensus approach to address the impact of forest fires on human health. The method emphasizes controlled burns as a tool to reduce explosive wildfires and improve forest health. The approach also prioritizes inclusivity in decision-making, particularly for populations disproportionately affected by smoke exposure.
A US ban on menthol cigarettes is projected to lead to a significant reduction in smoking, with 381,272 Black smokers set to quit, according to a study. The ban is expected to result in a 22.3% quitting rate among menthol smokers, compared to 15.0% for non-menthol smokers.
A significant decline in cigarette smoking prevalence was observed among US adults with major depressive episode or substance use disorder between 2006 and 2019. The study included nearly 560,000 participants and found a notable reduction in self-reported cigarette smoking during this period.
Researchers at ACS Sustainable Chemistry & Engineering have identified a less toxic dye called pigment red 254 (PR254) as a greener alternative to current anthraquinone dyes used in signal smokes. PR254 forms a red-colored smoke cloud more effectively and is thermally stable, making it suitable for use in heat-generating systems.
A survey of over 2,000 physicians found that they often struggle to discuss e-cigarette use with their patients, highlighting the need for improved communication strategies. The study identified key factors influencing physician-patient discussions on e-cigarettes, including patient demographics and medical conditions.
Wealth disparities were larger than education, occupation, and income differences in mortality rates, according to a new study involving 6,300 U.S. adults. Childhood socioeconomic status also showed significant disparities in mortality, with never and current smokers having the largest disparity.
A new study found that infant monkeys conceived while their mothers were exposed to wildfire smoke showed increased inflammation, memory deficits, and a more passive temperament compared to those conceived later. The effects suggest that some component of wildfire smoke can act as a teratogen, affecting fetal development.
A study published in Environmental Science and Technology found that aerosols carried in older wildfire smoke plumes can still affect climate. The research, led by Qi Zhang, discovered that particulate matter concentrations were low but oxidized organic aerosols from burning biomass were detected throughout the samples.
A recent study has found that adolescents are increasingly attempting to quit cigarettes and e-cigarettes, with a notable increase in unsuccessful attempts between 2019 and 2020. The study suggests that these attempts may be linked to an increased risk of nicotine addiction among youth.
A study of over 7,000 adolescents found that consuming a high-quality diet, such as the Mediterranean diet, was associated with significantly lower wheezing odds among those exposed to environmental tobacco smoke. This suggests that targeted public health interventions focused on improving access to higher quality foods may be effectiv...