Articles tagged with Smoke
Researchers found biomarkers of nicotine in 1,200-year-old stone pipes from the Columbia River Basin, challenging the idea that bearberry was the main ritual smoke plant. The discovery establishes a history of ritual tobacco use in the interior Pacific Northwest, informing education and smoking abatement programs.
A recent study found that wood smoke exposure results in higher inflammatory markers for male subjects and lower inflammatory markers for female subjects. The researchers suggest that sex-specific effects may be missed when lumping data together, emphasizing the need to consider sex-specific responses when studying environmental pollut...
A study found that smoke alarms using the mother's voice are more effective in waking children than traditional high-pitch tone alarms, waking 86-91% of kids compared to 53%. Including a child's name in the alarm message does not improve effectiveness.
Research from the University of Otago suggests that flavored capsule cigarettes make smoked tobacco products more appealing to non-smoking young people. Susceptible non-smokers prefer flavoured capsules over unflavoured cigarettes, viewing them as smoother and more fun to smoke.
A recent study by British American Tobacco found that e-cigarettes and tobacco heating products significantly reduce enamel discoloration compared to conventional cigarettes. The researchers assessed the impact of these products on teeth using an in vitro study and found minimal staining.
Most Canadian smokers favour novel policies to reduce tobacco use, with 70% supporting lower nicotine levels in cigarettes. The study also found that 59% of smokers support a ban on all marketing of tobacco products.
A recent study published in Cancer Prevention Research reveals that California's long-term tobacco control efforts have led to a 28% decrease in lung cancer deaths compared to the rest of the country. The state's approach has been particularly effective in discouraging young people from starting to smoke, with a 39% lower initiation ra...
Researchers analyzed children's asthma management and found that environmental exposures like secondhand smoke and pet ownership were not significant factors in improving asthma control. Once asthma guidelines are followed, these exposures do not impact overall asthma improvement.
Researchers from the University of Montana used a flying laboratory to collect data on chemical composition of smoke and its changes over time and travel. The study aims to better predict air quality downwind and understand how fire smoke impacts the climate system.
A three-year project is using unmanned aircraft to gather air quality information during prescribed burns in the Kansas Flint Hills. The data helps NASA verify satellite products and facilitate collaboration between environmental agencies to improve smoke management plans.
A new study published in JAMA found that immediately reducing nicotine in cigarettes leads to more rapid positive public health effects, including decreased exposure to toxic chemicals and increased smoke-free days. However, smokers may experience more severe withdrawal symptoms during the transition.
A new study simulates the effects of wildfire smoke on human health, predicting that deaths from chronic inhalation of wildfire smoke could increase to over 40,000 per year by the end of the 21st century. The number of fire-related particulate matter deaths is expected to more than double in the worst-case-scenario prediction model.
Chemical engineering researchers at Brigham Young University have developed a physical model that can accurately predict soot and smoke emissions from wildfires. The model provides foundational elements for validating more efficient models, which will aid in predicting smoke emissions and related health effects.
56 active wildfires in British Columbia have burned over 1.5 million acres, with hot and dry conditions creating a high risk of rapid fire spread.
A recent University of Cincinnati study found that even brief exposure to secondhand smoke can lead to respiratory problems and increased absenteeism among teens. The study highlights the need for healthcare providers to educate parents and family members on preventing secondhand smoke exposure and treating tobacco use.
The West Coast of the United States is experiencing a massive wildfire season with over 1.9 million acres ablaze. The situation is exacerbated by warmer temperatures and dry conditions, leading to increased lightning strikes and potential for further blazes.
Long-term exposure to secondhand smoke in childhood increases the risk of chronic obstructive pulmonary disease (COPD) death and other conditions in adulthood. Secondhand smoke exposure as an adult also raises mortality risks, particularly from COPD and ischemic heart disease.
The Mendocino Complex has become the largest fire in California history, burning over 290,000 acres and forcing nearly 4,000 firefighters to battle the inferno. The complex consists of two separate fires, River and Ranch Fires, which have destroyed 75 residences and 68 structures.
Researchers found that exposure to household smoke shortens breastfeeding duration, and fathers who smoke are less likely to prefer breastfeeding. The study suggests quitting smoking before pregnancy is crucial for new mothers.
The Carr fire has consumed 110,154 acres, destroying 161 residences and 12 outbuildings. Weather conditions and terrain make firefighting efforts challenging, with over 2,500 structures still at risk.
A new study published in Nicotine & Tobacco Research found that exhaled e-vapor particles are liquid droplets that evaporate within seconds, returning to background levels rapidly. This reinforces the evidence that vaping has a minimal impact on indoor air quality compared to smoking conventional cigarettes.
A study by the University of York found that over 40% of pregnant women in Pakistan are exposed to secondhand smoke, resulting in approximately 17,000 still births annually. This exposure increases the risk of stillbirth, congenital malformations, and respiratory illnesses.
A four-engine plane carrying scientists and equipment will fly into wildfire smoke to measure its chemistry, aiming for a comprehensive understanding of the effects on air quality, health, and climate. The WE-CAN project will analyze 15-20 smoke-observation flights in late July and August.
A University of Houston researcher is targeting adults with anxiety and depression who struggle to quit smoking by providing individualized, online feedback. The goal is to increase motivation, confidence, and intention to quit while reducing perceived barriers to quitting. The study aims to improve distress tolerance skills to help pa...
Toxicant levels in myblu aerosols are up to 99% lower than in cigarette smoke, with formaldehyde, acetaldehyde, and acrolein showing more than 99% reduction compared to conventional cigarette smoke. The study also found significant reductions in manganese, selenium, NNN, NAT, and NNK.
A study of 50,734 Japanese children aged 3 found that prenatal and postnatal exposure to smoking was associated with an increased risk of hearing impairment. Children exposed to tobacco smoke during pregnancy or at 4 months had a higher relative risk of hearing problems compared to those not exposed.
A Baltimore campaign found that automated phone calls were more effective than Facebook ads in encouraging residents to request free smoke alarm installations. The campaign, which ran in 2014, reached over 90,000 households via landline and resulted in 458 requests for smoke alarms, compared to just 25 from Facebook ads.
Researchers found that skin is more susceptible to cancer-causing compounds from barbecuing than inhalation, with clothing offering limited protection. The study suggests washing clothes soon after leaving a grilling area to reduce exposure.
New research reveals that cigarette smoke directly damages muscles by reducing blood vessel numbers, impacting metabolism and activity levels. This muscle damage is a key risk factor for chronic diseases such as COPD and diabetes.
A new University of Pittsburgh analysis discovered that hookah smoking accounted for over half of the tobacco smoke volume consumed by young adult smokers in the US. In contrast, those who smoked tobacco only using a hookah had lower but still substantial toxicant exposures compared to those who used both hookahs and cigarettes.
Researchers at Rutgers University discovered that orangutans exposed to smoke from wildfires eat and rest more, but don't gain weight. The study suggests long-term health problems for critically endangered orangutans.
A recent study found that cannabis use among parents with children at home nearly quadrupled between 2002 and 2015, increasing from 5% to 7%, while cigarette smoking declined. This increase may compromise progress in reducing secondhand smoke exposure, particularly among certain subpopulations.
A new study found that nearly 30% of tiny particles in a nonsmoking classroom were associated with thirdhand smoke residue. Laboratory experiments confirmed the findings, revealing that THS can travel far from its original source and pose health risks.
A Drexel study finds that third-hand smoke chemicals can be reemitted inside and attach themselves to aerosol particles, making people likely exposed to more harmful chemicals than thought. The research reveals a new pathway of exposure to third-hand smoke through aerosol particles in indoor environments.
Scientists are making progress in understanding 'smoke taint' in wine after wildfires, discovering links between volatile phenols and glycoconjugates. The study found that fermentation can increase smoky compounds, complicating efforts to remove taint from tainted wines.
A new study found that many Airbnb rentals in the US are missing critical safety features such as smoke detectors, carbon monoxide detectors, and fire extinguishers. The analysis of 120,691 venues across 16 cities showed that only 56% had carbon monoxide detectors and 42% had fire extinguishers.
A snapshot survey of over 120,500 US Airbnb rentals found that most properties had smoke detectors but fewer had fire extinguishers or first-aid kits. The study suggests that further investigation and intervention are needed to ensure adequate fire safety in these venues.
A new study found that children exposed to second-hand marijuana smoke have a higher rate of emergency department visits and otitis media episodes compared to those with no smoke exposure. The study also revealed an association between secondhand marijuana smoke exposure and increased child health issues.
A NASA and NIST study found that traditional smoke detectors may not effectively detect smoke particles in space due to unique microgravity properties. The study investigated five common materials used on spacecraft and found that some detectors struggled to detect smaller particles, posing a concern for fire safety.
New research found that men under 50 who smoked had an increased risk of stroke, with the risk increasing as the number of cigarettes smoked daily. The study revealed that even light smokers were 46% more likely to have a stroke than non-smokers, highlighting the importance of quitting smoking to reduce stroke risk.
A biologically inspired membrane, called memzyme, can capture 90% of carbon dioxide from coal-fired power plants with a low cost of $40 per ton. The membrane uses an enzyme to rapidly and selectively dissolve carbon dioxide molecules.
A new study found that wildfire smoke exposure is associated with increased rates of ER visits for heart-related complaints, including ischemic heart disease, irregular heart rhythm, and pulmonary embolism, among adults aged 65 and older. The risk was greatest on dense smoke days.
Research from Harvard University shows that agricultural fires in Punjab, India can increase air pollution in Delhi by 20 times the safe limit. The study used satellite data and modeling to track the impact of smoke particles on urban areas.
A new study by Columbia University's Mailman School of Public Health found that cannabis use is associated with an increased initiation of cigarette smoking among non-cigarette smokers. Additionally, adults who smoke cigarettes and use cannabis are less likely to quit smoking than those who do not use cannabis.
A recent study published by British American Tobacco found that vaping does not cause the same level of tooth discoloration as smoking. The research used cow's teeth to test the impact of e-cigarette vapour and tobacco-heated products on tooth colour, with surprising results.
Researchers have developed a zeolite filter to reduce carcinogens in smoked foods, resulting in superior smoke flavor. The filtered smoke was found to contain up to 93% fewer carcinogenic compounds than unfiltered smoke.
Researchers have created a new kind of smoke that can block both visible and infrared detection, which is crucial for military operations. The development could lead to the creation of a 'Swiss army knife' of smoke grenades with multiple spectral capabilities.
A new study shows that airway cells damaged by cigarette smoke can be reversed when exposed to glo vapour. The results suggest that glo may have reduced risk compared to conventional cigarettes.
Researchers found that thirdhand smoke exposure increases lung cancer risk in mice, with toxic residues damaging DNA and leading to mutations. Early exposure is associated with increased incidence and severity of lung cancer.
A recent study by UMBC physicists found that the interaction between wildfire smoke and clouds results in a net cooling effect, contrary to previous understanding. The team discovered that the smoke increases cloud reflectivity, leading to an overall cooling effect.
Researchers discovered that biomass smoke from South Africa significantly enhances the brightness of low-level clouds in the southeast Atlantic Ocean, creating a cooling effect. This process helps counteract the greenhouse effect and results in substantial climate cooling.
A clinical study by British American Tobacco found that switching to glo significantly reduces exposure to cigarette smoke toxicants. The results indicate that glo vapour has lower levels of toxicants than cigarette smoke.
A study found that nearly all adolescents aged 13-19 in an economically disadvantaged San Francisco population had measurable levels of NNAL, a biomarker for exposure to tobacco smoke. The prevalence of tobacco exposure was highest among African-American adolescents, with 32% identified as active smokers.
Caltech scientists have discovered that cells can transmit multiple messages through the Notch signaling pathway by encoding them rhythmically over time. This discovery reveals that cellular messaging is closer to sending smoke signals than texting, and cells use temporal patterns to differentiate between similar ligands.
A new study found that thirdhand smoke residue remains in casino surfaces six months after a smoking ban, posing health risks to non-smokers. The researchers recommend casinos implement smoking bans sooner to reduce the toxic legacy of tobacco use.
Research shows that vape shops provide valuable behavioural support for quitters and offer an opportunity for socialisation to reinforce vaping. Vape shops could be a valuable ally to the NHS in reducing smoking, according to new study.
Scientists found that glo vapour triggered only two gene changes in human airway tissue, whereas cigarette smoke caused thousands of changes. This suggests glo vapour may cause less damage to cells compared to smoking conventional cigarettes.
A new report highlights the persistence of smoking among vulnerable subpopulations in the US, including lower education and socioeconomic groups, certain racial/ethnic communities, and those with mental illness. The American Cancer Society calls for increased attention to novel interventions to address these disparities.
Research reveals e-cigarettes deliver carcinogenic compounds to human cells, damaging DNA and reducing repair mechanisms. Mice exposed to e-cigarette smoke showed increased DNA damage in vital organs, mirroring effects seen in cultured human lung and bladder cells.
A 24-month clinical trial found that regular e-cigarette use does not have negative health effects on smokers. The study showed reduced nicotine withdrawal symptoms, lower exposure to cigarette smoke constituents, and no increase in body weight.