Articles tagged with Smoke
Researchers found that cigarette smoke made MRSA bacteria more resistant to killing by the immune system, increasing their ability to invade human cells. In mouse experiments, smoke-exposed MRSA caused pneumonia with a higher mortality rate.
Research tracked children's cardiovascular health from age 9 to 30 and found those exposed to parental smoking had a 1.7 times higher risk of carotid plaque in adulthood. Parents who smoked indoors or allowed smoke into their homes were at the highest risk.
A comprehensive survey of toxicants in smokeless tobacco products found that hydrazine is not a prevalent contaminant. Trace levels were detected in some samples but significantly lower than previous reports.
A cross-sectional analysis of 3,255 US non-smokers found a significant association between environmental tobacco smoke exposure and an increased risk of moderate/severe periodontitis. Serum cotinine levels were used to classify participants as exposed to ETS, with results showing a higher odds ratio among exposed individuals.
Researchers found that e-cigarette advertising with vaping visuals increased tobacco cravings in daily and former smokers. The study suggests that unregulated e-cigarette ad spending could lead to increased exposure to smoking cues, posing a public health risk. The findings are significant, considering the growing e-cigarette ad industry.
Researchers at Technical University of Munich develop methodology to speed up simulations of complex fluids, enabling more realistic medical diagnoses and spectacular effects in computer games. The approach leverages real-world observations to calculate fluid behavior, promising to accelerate calculations and improve various applications.
Researchers predict a shortage of over 33,000 primary care physicians by 2035 due to demographic changes and insurance expansion. To eliminate this deficit, experts suggest increasing residency production by nearly 2,200 positions by 2020.
A Concordia University study found no significant change in home smoking habits after a Quebec ban. The presence of non-smokers and social networks were key factors in influencing quitting behavior, rather than the law itself.
Researchers found that both low-intensity and high-intensity workouts are effective for weight loss, with higher intensity associated with improved glucose levels. Participants in the high-intensity exercise group experienced significant reductions in waist circumference and two-hour glucose levels.
A recent study found that new mothers experiencing higher social stressors have a 2.5 times higher odds of having only partial or no restrictions on smoking in their home, exposing infants to secondhand smoke. The researchers identified statistically significant socio-demographic and socio-economic trends in home smoking rules, highlig...
A new study reveals that up to two-thirds of Australian smokers can expect to die from their habit if they don't quit, with a three times higher risk than non-smokers. The research found that smoking is a major cause of cardiovascular disease and cancer, highlighting the need for continued tobacco control efforts.
A study by Johns Hopkins Medicine reveals high levels of false caregiver smoking reports or second-hand exposure in multi-unit housing among premature children with lung disease. The researchers used hair samples to measure nicotine levels and found significant exposure among children whose caregivers claim not to smoke at home.
Research published in BMC Public Health found that shisha pipes remove only a minimal amount of heavy metals from tobacco smoke. The study analyzed four popular brands of shisha tobacco and found that the levels of heavy metals in smoke were significantly higher than in water, with uranium being the most abundant metal present.
Scientists observed multiple hot spots across Russia's Kaliningrad Oblast, indicating forest fires, which are associated with smoke containing carbon monoxide and particulate matter. The surrounding areas experienced heavy snowfall, covering parts of Poland, Belarus, Lithuania, and Latvia.
A new study by OSU researchers found that 72% of students and 77% of faculty support the university's smoke-free policy, but secondhand smoke exposure remains an issue. The study also revealed that more than half of staff members and students reported encountering secondhand smoke near campus entrances.
E-cigarettes have shown potential in helping smokers reduce or quit, with a significant role to play in public health. Research suggests that about 9% of smokers who used electronic cigarettes were able to stop smoking for up to one year, compared to 4% of those using nicotine-free placebos.
Research conducted by Lynda Dunn reveals that diathermy smoke contains nine hazardous compounds, four of which are carcinogenic, posing a risk to surgical personnel. The use of extraction devices is recommended to minimize exposure and improve workplace conditions.
A suite of globally harmonized test methods is needed to measure a wider selection of toxicants in cigarette smoke. The International Organization for Standardization (ISO) must coordinate these methods to ensure reproducible and comparable results.
A study published by UC Davis and Public Health Institute found that children exposed to tobacco smoke in utero are two to three times more likely to develop diabetes as adults. Birth weight did not affect the risk of developing diabetes.
The NASA OMPS team detected a moderate to high aerosol index off the southwestern coast of Western Australia, indicating intense smoke from bushfires. The satellite captured data on February 4, 2015, showing a plume of smoke that reached up to 9.3, prompting emergency warnings and alerts.
Researchers found that e-cigarettes compromise the immune system in mice, increasing susceptibility to respiratory infections and impairing lung function. The study also identified 'free radical' chemicals in e-cigarette vapors, previously thought only to be found in tobacco cigarettes and air pollutants.
Agricultural fires in Indochina were detected by NASA's MODIS instrument, revealing the region's reliance on deliberate burning for land management. The practice helps enhance crops and grasses but also degrades air quality through smoke production.
Researchers found that smoke from spring fires in Central America intensified conditions leading to severe tornadoes in the US. The study's results suggest a novel mechanism by which smoke affects tornado severity, and highlight the importance of considering atmospheric particles in weather prediction models.
Researchers are studying peat fire emissions, which are a major contributor to carbon emissions and climate change. The study aims to understand the impact of peatfire smoke on human health and the climate.
A new study estimates that up to two-thirds of never-smoking teens are exposed to secondhand smoke inside and outside their homes, highlighting the need for smoke-free environments. The study, published in Journal of Adolescent Health, analyzed data from over 350,000 teens across 168 countries.
A new study published in Nature Geoscience highlights the devastating impacts of peat fires, which can burn for days and weeks, producing severe air quality issues and triggering respiratory problems. The study finds that peat-rich regions will become more susceptible to drying and burning with a changing climate.
The Adelaide Hills bushfire in Australia destroyed or damaged 26 homes as of January 5, 2015. Firefighters are concerned about worsening conditions due to forecasted temperatures above 38 degrees Celsius.
Research reveals that women experience stronger urges to smoke at the beginning of their menstrual cycle due to hormonal changes. This knowledge could help women overcome abstinence-related withdrawal symptoms more easily, especially during the mid-luteal phase when estrogen and progesterone levels are higher.
A new study by University at Buffalo Research Institute on Addictions found that smoking is associated with difficulties in alcohol treatment. Tobacco smokers had shorter treatment durations and were less likely to achieve their alcohol-related goals compared to non-smokers.
A genetic variant linked to heavy smoking is associated with lower BMI in current smokers but higher BMI in people who have never smoked. This difference suggests the variant influences BMI via pathways other than smoking.
A new study reveals that tobacco smoke's toxin acrolein can accumulate in the spinal cord and exacerbate pain in people with spinal cord injuries. Researchers found that acrolein levels were 50% higher than normal, sparking hope for potential treatment with hydralazine.
A new study published in the International Journal of Environmental Research and Public Health found that e-cigarettes significantly reduced tobacco cravings. In an 8-month study, participants who used e-cigs showed a significant decrease in tobacco cigarette use, with 21% quitting smoking altogether.
Preliminary research suggests that secondhand marijuana smoke can damage blood vessels as much as tobacco smoke, raising concerns about its impact on cardiovascular health. The study found that blood vessel function dropped by 70% after exposure to secondhand marijuana smoke.
A groundbreaking study by UCSF researchers found elevated carcinogen markers in nonsmoking car passengers after exposure to secondhand smoke. The study suggests that simply sitting in cars with smokers can lead to increased levels of toxic compounds associated with cancer, heart disease, and lung disease.
Exposure to tobacco smoke and near-roadway air pollution contributes to childhood obesity development. The study found increased weight gain in children exposed to both air pollutants compared to those with no exposure.
A study found that hospitalized cardiac patients exposed to secondhand smoke have a higher likelihood of cardiovascular disease, all-cause mortality, and subsequent heart attacks. Only 17.3% of patients recalled being asked about their SHS exposure by healthcare professionals despite the known risks.
A new study from the University of Edinburgh finds that teenagers living in neighborhoods with a large number of tobacco shops are almost 50% more likely to smoke. The research suggests that reducing tobacco retailer density could be an effective strategy to reduce smoking rates among adolescents.
A new study revealed that 43% of nursing students engage in hazardous alcohol consumption, with significant variations among demographic groups. Hazardous drinkers were more likely to be young, smoke, and live outside family settings.
A new study by Berkeley Lab researchers found that thirdhand smoke continues to have harmful health effects for many hours after a cigarette has been extinguished. The study, which assessed levels of volatile organic compounds and airborne particles, found that particulate matter accounted for 90% of the health damage.
In eastern China, smoke from slash and burn agriculture exacerbates air quality problems. The region experiences worsening haze in fall and winter due to trapped pollutants near the surface.
A new study found that smoking status significantly influences neurocognitive recovery in treatment-seeking alcohol-dependent individuals. Active-smoking ALC showed poorer recovery than never-smoking ALC on measures of learning and processing speed, while former-smoking ALC recovered less than never-smoking ALC on processing speed meas...
Fires in the Egyptian River Delta are a recurring phenomenon, typically occurring every year in October and November. The annual fire season is attributed to farmers burning leftover straw from the rice harvest, resulting in widespread air pollution and health risks.
Research found that non-smokers living with smokers are exposed to PM2.5 concentrations three times higher than the WHO guidance, similar to heavily polluted cities. Inhaling in a smoke-free home could reduce exposure by over 70% for non-smokers.
Numerous fires have been burning in Ukraine, likely caused by agricultural practices. Farmers use fire to clear land and return nutrients to the soil.
A new study by British American Tobacco found that slim cigarette smokers experience lower exposure to toxic chemicals like carbon monoxide and acetaldehyde. The researchers attribute this reduction to the smaller size of slim cigarettes, making it harder for smokers to draw on.
Research in mice suggests that maternal cigarette smoking can affect the fertility of male offspring, causing reduced sperm counts, poor sperm shape, and impaired fertility. The study's findings have implications for human health, particularly for men who were exposed to cigarette toxins in the womb.
Agricultural fires in Borneo clear land for palm oil plantations, releasing huge amounts of smoke and contributing to climate change. The fires can also cause severe respiratory problems due to the presence of particulate matter and toxic chemicals.
A new study found that increases in state cigarette prices and restrictions on indoor smoking lead to decreases in beer and spirits consumption, but not wine. People who prefer beer or liquor are more likely to be smokers, suggesting a link between tobacco and alcohol use.
A new study of 1074 cancer patients who smoke found that e-cigarette use did not help with quitting traditional cigarettes. The study, published in the American Cancer Society journal, found a three-fold increase in e-cigarette use among smokers over two years.
In the summer of 2014, wildfires burned an area three times larger than usual in Khabarovsk Krai, Russia, with 12,600 forest fires spanning 1.8 million hectares
A partial smoking ban at a homeless shelter led to reduced expired carbon monoxide levels, indicating less smoking and/or secondhand smoke exposure. Residents supported the policy change, with most smokers believing it would improve resident health.
Numerous agricultural fires are burning in Eastern Europe, primarily in Ukraine. These fires were likely intentionally set to manage land and return nutrients to the soil, but also produce smoke that degrades air quality.
Smoke from the Selway Complex and Johnson Bar fires is wafting into the Selway River valley, as detected by NASA's MODIS satellite on September 15, 2014. The fires, ignited by lightning strikes between August 10 and August 25, have spread to over 9,600 acres.
A study of frequent marijuana users found that negative emotions increased in the days leading up to use and didn't improve with cannabis. The research suggests that this can create a vicious cycle where people continue to use the drug despite feeling worse afterward.
The Selway complex of fires has grown to 1,659 fires, mostly contained. The Johnson Bar fire, sparked by a lightning strike, has affected 8,867 acres and is currently 55% contained. Warmer weather may increase fire activity.
The Cloud-Aerosol Transport System (CATS) will provide critical measurements on the International Space Station, demonstrating new technology and proving inexpensive missions can make accurate climate predictions. The instrument will track aerosols over population centers and reveal shifts in global climate.
Researchers found a 10-fold decrease in harmful particles in second-hand e-cigarette smoke, but increased levels of certain toxic metals like nickel and chromium. This study provides insight for regulatory authorities and highlights the need for better manufacturing standards for e-cigarettes.
Researchers adapted the Ames test to assess mainstream cigarette smoke's toxicity, showing concentration-dependent mutations in bacteria. The modified test uses multiple bacterial strains and whole-smoke aerosol exposure, providing a more complete picture of the toxic profile.
A total of 133 active fires are currently burning in the North Slave Region of the Northwest Territories, Canada. The fire danger is moderate to high, with smoke potentially affecting some communities.
A new study finds that black carbon pollutants from wood smoke may increase women's risk of cardiovascular disease, with the health effects exacerbated by co-exposure to motor vehicle emissions. Women living closer to highways were found to have three times higher blood pressure than those away from highways.