Articles tagged with Smoke
A study led by Berkeley Lab researchers found that newborn mice exposed to thirdhand smoke weighed less and had altered blood cell counts, which persisted even after exposure ended. The findings suggest that the lingering residue of tobacco smoke could be harmful to human health, particularly for babies and toddlers.
A study led by Drexel University found that Philadelphia's smoke-free policy reduced nicotine levels in the air by nearly half, benefiting all residents including children and chronically ill individuals. The policy change has significant implications for public housing communities where secondhand smoke exposure is a major concern.
The James Bond series has conspicuously absent smoking-related imagery in only one film since its debut in 1962, according to a recent analysis published in Tobacco Control. Despite Bond himself no longer smoking, he is still exposed to second-hand smoke through his sexual partners and other characters.
A new study found that viewing vape pen use increases the urge to smoke in young adults, similar to watching someone smoke a cigarette. The study's results suggest that vape pens can be a potent trigger for smoking, despite their design differences from traditional cigarettes.
A new study from the University of Georgia's Terry College of Business found that top NBA players can create positive spillover effects on their teammates' productivity. Research suggests that employees with high spillover values can make a significant impact on team success and should be compensated accordingly.
Exposure to second-hand tobacco smoke even before conception appears to impair fetal brain development throughout pregnancy, damaging regions involved in learning and memory. The impact was most severe with exposures occurring in late gestation, but adverse effects also occurred when mothers were exposed prior to conception.
Smokers with serious mental illnesses like schizophrenia and bipolar disorder are motivated to quit, yet many don't receive treatment or counseling. Researchers found that only 13% of patients who wanted medication to aid quitting received it.
Research suggests e-cigarette use does not make smoking more appealing to non-smokers, but rather discourages tobacco consumption.
E-cigarette vapour exposure has been shown to be genotoxic and cytotoxic in human lung cells at high doses. In contrast, Vype e-cigarette vapour produced no DNA damage even at 28 times the equivalent smoke dose. The findings suggest that e-cigarettes are safer than smoking cigarettes.
A study of 129,535 Americans aged 50+ found that never-smoking older African American women had the highest COPD prevalence, with 7% and 5.2% in White women, respectively. Hormones and second-hand smoke exposure may contribute to this vulnerability.
Researchers used smoking/vaping robots to study e-cigarette aerosol's effect on human lung cells. The results show that e-cigarette aerosol is effectively delivered to cell surfaces, despite having a reduced biological impact compared to cigarette smoke.
A new study detected traces of THC, a primary psychoactive chemical in marijuana, in the urine of children exposed to secondary marijuana smoke. Higher concentrations were found in non-white children compared to white children. Researchers call for further investigation into secondhand marijuana smoke exposure as a potential health risk.
Researchers at Mount Sinai have found measurable amounts of THC in the urine of young children exposed to secondhand marijuana smoke. The study highlights the need for education and awareness about the dangers of secondhand smoke to children in areas where marijuana use is common.
A study of over 10,000 adults and teens found that most people wrongly believe that tobacco additives are the main source of harmful chemicals in cigarette smoke. In reality, the chemicals produced by burning cigarettes pose a greater risk to health.
A recent study published in JAMA Internal Medicine found that long-term, low-intensity smoking is associated with a higher risk of death from all causes and lung cancer. The research also showed that former smokers who quit at a younger age had progressively lower risks of death.
Research links household smoke exposure in early childhood to increased self-reported antisocial behavior in early adolescence. Long-term neurotoxic effects of second-hand smoke are suggested as a contributing factor.
A new study by Professor Linda Pagani and colleagues found that children exposed to tobacco smoke in early childhood are more likely to develop antisocial behavior, conduct problems, and drop out of school at age 12. The study controlled for other factors to isolate the impact of early household smoke exposure.
Multiple wildfires are currently burning across several states in the southern United States, including the Boteler, Maple Springs, Tellico, Party Rock, Chestnut Knob, Rough Ridge, and Rock Mountain fires. The largest fire, the Rough Ridge fire, has burned over 19,411 acres in Georgia's Cohutta Wilderness Area.
A study found that teens with asthma are twice as likely to smoke as their healthy counterparts. Despite knowing smoking is bad for health, they often smoke to manage anxiety and stress.
A new study finds that smokers are at nearly twice the risk of developing an abdominal aortic aneurysm compared to non-smokers. Quitting smoking can reduce this risk by substantial amounts, particularly among current and former female smokers.
In a lab-based test using the Ames assay, scientists found that e-cigarette vapour did not cause DNA mutations in bacteria, unlike tobacco smoke. The results suggest that e-cigarettes may be less harmful than cigarettes, supporting growing evidence of their potential as a safer alternative.
Researchers identified distinct mutational signatures associated with tobacco smoke, including Signature 4 and Signature 5. These signatures are linked to specific types of cancer, such as lung and larynx cancers, and may be driven by a cytidine deaminase enzyme or other unknown mechanisms.
Researchers have developed a device that mimics the effects of cigarette smoke on human lungs, providing new insights into how non-smokers and COPD patients respond to smoke. The device enables the comparison of physiological responses in healthy individuals and COPD patients before and after exposure to cigarette smoke.
Scientists created an airway-on-a-chip that simulates the effects of smoking on human lungs, revealing changes in gene expression and cilia beat patterns. The technology also showed promise for testing e-cigarettes and identifying potential therapies for COPD.
Lab tests reveal e-cigarette vapor does not cause oxidative stress and cell death in lung epithelial cells, unlike cigarette smoke. Researchers developed a standardized method to compare the effects of conventional cigarette smoke and e-cigarette vapor on lung cells.
Lab tests reveal e-cigarette vapor is non-toxic to human lung cells, even at unrealistically high doses. Cigarette smoke proves cytotoxic, with lung cells showing low levels of toxicity only after equivalent daily exposure in just one hour.
A new study shows that smoking bans in cities and states lead to a significant reduction in the number of young people who start or continue smoking cigarettes. The study found that light smokers are more likely to give up cigarettes after a ban is implemented, while heavier smokers were not affected by the ban.
A recent study by British American Tobacco found that e-cigarette vapour contains toxicant levels on average 95% lower than conventional cigarette smoke. The study measured 142 compounds in e-cigarette vapour and found substantial reductions in toxicant groups, with most cigarette smoke toxicants undetectable.
A study led by Duke University researchers found that blocking the production of a key receptor can reduce the toxicity of cigarette smoke on zebrafish embryos. The receptors were found to play a role in early embryonic development, particularly the formation of bone, heart and muscle tissues.
A University of Louisville researcher found that having children in the home does not prompt parents to test for radon and secondhand smoke, both major contributors to lung cancer. Radon and tobacco smoke have synergistic effects, increasing lung cancer risk, especially in Kentucky where incidence rates are highest.
A UK-wide trial found that smokers with Crohn's disease are more likely to experience a recurrence after surgery. The study suggests that quitting smoking is crucial in preventing the condition from worsening.
A survey of US physicians reveals they frequently discuss e-cigs with patients, recommending e-cigs as a way to reduce smoking, but cautioning against using them to quit. However, the study found that many doctors are uncertain about their knowledge of e-cigs and are often asked by patients about their use.
The Blue Cut Fire in California is a rapidly growing wildfire that poses an imminent threat to public safety, rail traffic, and structures in several areas. The fire has already affected over 82,000 people and damaged an estimated number of structures, with firefighters battling hot, dry, and breezy conditions.
A $440,000 NIH grant is supporting a 3-year study examining the impact of cigarette smoke and genetic factors on female fertility. The researchers will assess ovarian reserve, in vitro fertilization success rates, and NAT2 genotype to better understand the relationship between smoking, genetics, and infertility.
A new Yale-led study estimates that by mid-century, over 82 million people will experience 'smoke waves,' or consecutive days with high air pollution related to fires. The regions likely to receive the highest exposure include northern California, western Oregon, and the Great Plains.
Researchers identified hundreds of western US counties with high risk of exposure to wildfire smoke, affecting up to 82 million people by 2051. The study found that climate change will cause longer, more intense, and frequent 'smoke waves' impacting children, seniors, and communities.
A team of Penn State researchers identified a genetic mutation in modern humans that increased their tolerance to toxic smoke and fire. This mutation, found only in humans, may have given ancient humans an edge over Neandertals, who were more susceptible to respiratory problems and cellular toxicity.
A new study by Oregon State University researchers has found that teens who smoke daily report significantly higher levels of health complaints than their nonsmoking peers. The study also reveals a widening gap in health complaints between smoking and nonsmoking teens, with girls reporting more health issues than boys.
A new study published in the American Heart Association Rapid Access Journal Report found that secondhand marijuana smoke can cause temporary damage to blood vessels, similar to tobacco smoke. Exposure to secondhand marijuana smoke lasted for at least 90 minutes, whereas tobacco smoke exposure recovered within 30 minutes.
A study found that carbon-finance-approved cookstoves had only moderately lower indoor concentrations of pollutants compared to traditional stoves. The improvements were less than anticipated, with some families even continuing to use traditional stoves due to their preference for certain dishes.
A study published in BMC Public Health found that nearly a quarter of US adults reported looking for information on tobacco constituents, with young adults and smokers more likely to do so. The research suggests that making this information available could improve public health and reduce tobacco use.
A new study from Lund University found that smoking affects the efficacy of aromatase inhibitor treatment for breast cancer, leading to a threefold higher risk of recurrence. Smoking also increases the risk of dying from breast cancer or other illnesses during treatment.
A UM researcher is leading an international campaign to study the impact of smoke particles on regional climate warming. The experiment will investigate how smoke affects marine low clouds in the southeast Atlantic Ocean. By understanding this interaction, scientists can improve global aerosol models and climate change forecasts.
A Canadian study found that hospital-initiated tobacco cessation interventions significantly improved patient outcomes, including a 35% success rate for quitting at 6-month follow-up. Patients who received the Ottawa Model were also less likely to be re-admitted to the hospital or visit emergency departments.
Parents of children with asthma who experienced a teachable moment and received motivational smoking cessation counseling were more than twice as likely to quit smoking. Long-term in-home and telephone counseling also improved quit rates and reduced hospitalizations and missed school days due to asthma.
The Fort McMurray wildfire is burning out of control, covering an area of 161,000 hectares, with extreme fire conditions due to low humidity and high temperatures. Residents are advised not to return home until it is safe to do so, while firefighters, including 1,500 employees at the Syncrude facility, work to contain the blaze.
The Fort McMurray wildfire in Alberta, Canada, is still burning intensely, with smoke and heat detectable by satellite. Suomi NPP's VIIRS instrument captured daytime images on May 5, showing hotspots indicating the location of fires, while nighttime images on May 6 revealed the fire at night, with smoke appearing light gray.
The Suomi NPP satellite captured images of the Fort McMurray wildfire, revealing its spread and impact on nearby communities. The fire forced over 88,000 people to flee, destroying 1,600 homes and buildings, and scorching over 18,500 acres.
Researchers at Lund University found that long-eared bats use their large ears and body shape to generate lift, challenging previous assumptions about flying animals. This discovery could lead to new aerodynamic control mechanisms for drones.
Researchers found that human coronary artery endothelial cells showed a reduced stress response to e-cigarette aerosol compared to conventional cigarette smoke. This suggests that switching from traditional cigarettes to e-cigarettes may lead to reduced immediate harm for tobacco smokers.
A new study reveals that nearly three-quarters of teen smokers report being intermittent smokers, with many smoking only a few cigarettes per day. These teens are less likely to identify as smokers and face comparable health risks to heavier tobacco users.
A study presented at the Pediatric Academic Societies 2016 Meeting found that children living with smokers more frequently need medical care. The research analyzed data from the National Survey on Children's Health and showed a significant impact of tobacco smoke exposure on demand for health care services.
A new CU-Boulder study found that online user ratings are only 57% correlated with objective product performance. Consumers rely heavily on average user ratings when making purchase decisions, despite the low accuracy of these ratings.
A Vanderbilt University Medical Center study finds that persistent inflammation in COPD may result from a defect in the immune system allowing airway bacteria to invade deeper into the lungs. Treatment with an anti-inflammatory drug halted lung damage in mice with this defect.
E-cigarettes offer potential to radically reduce harm from smoking in UK society, with benefits found at individual and population levels. The Royal College of Physicians report finds that e-cigarette use is primarily among smokers seeking to cut down or quit, and no grounds to suspect renormalization of smoking habits.
In a developing society with high gender equality, men still smoke more than women due to cultural associations between smoking and risk-taking. Tobacco sharing plays an important role in strengthening social relationships among the Aka tribe.
Researchers will model uncertain future meteorology and smoke, dust to gain a comprehensive view of possible air quality implications. The study aims to improve predictions of particulate matter concentrations in the atmosphere.
A recent study found that maternal smoking during pregnancy causes epigenetic changes in enhancer regions of the genome, affecting gene regulation and increasing the risk of diseases such as lung disease. The researchers also discovered that these changes can persist for several years after birth.
In vitro tests of Vype ePen e-cigarette vapor revealed no activation of cell stress responses, DNA damage, or cellular transformation. In contrast, cigarette smoke induced significant DNA damage and promoted tumour formation in human lung cells.
A study published in Annals of Internal Medicine found that quitting smoking abruptly is more likely to lead to long-term success than gradual reduction. After assessing 697 smokers for four weeks and six months, the research revealed a 25% higher quit rate for those who stopped all at once.