A study by Maria-Christina L. Machado and colleagues found that women with chronic obstructive pulmonary disease (COPD) who use long-term oxygen therapy have a 54% increased risk of death compared to men. The primary risk factor for developing COPD is smoking.
A University of Florida study reveals that cigarette smoke can turn normal breast cells cancerous by blocking their ability to repair themselves. Cells with damaged DNA may accumulate mutations and lead to tumor formation if they survive long enough to divide.
A global study found that all forms of tobacco exposure, including second-hand smoke, increase the risk of heart attack. Quitting smoking can significantly reduce this risk, with light smokers benefiting the most.
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A recent study published in The Lancet found that all forms of tobacco exposure, including smoking, chewing, and second-hand smoke, increase the risk of heart attack. The study, which included data from over 27,000 people in 52 countries, showed that even low levels of tobacco exposure can double the risk of a heart attack.
Researchers found that environmental tobacco smoke suppresses nuclear factor kappa B signaling, increasing apoptosis in infant monkey lungs. This study highlights the dangers of secondhand smoke for unborn and newborn children, emphasizing the need to avoid exposure to prevent permanent lung damage.
The Texas Smoke-Free Ordinance Database shows that over a quarter of Texas cities have passed new smoking ordinances since 2000. The database provides detailed information on smoking policies across the state, including summaries of various ordinances and enforcement measures.
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A special issue of Nursing Research journal highlights innovative methods for treating tobacco dependence and practical approaches for clinical use. Nurses are widely recognized as central to global efforts to reduce the detrimental health effects of tobacco use, with training needed to deliver interventions to patients.
A new study from the University of Washington found that children of smokers are more likely to smoke, binge drink or use marijuana in adolescence and adulthood. The study also discovered a link between substance use by parents and their children's behavior problems, with a transmission link observed across generations.
A study published by the University of Kentucky found that smokers with chronic pain tend to smoke at higher rates than those without pain. However, over half of these smokers are considering quitting. The research suggests that addressing smoking cessation as part of pain management could lead to improved health outcomes.
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A study published in JAMA found that women who smoke are more susceptible to lung cancer than men, with a higher rate of diagnosis. However, women tend to survive longer after diagnosis than men, with better survival rates for all major histological types of lung cancer.
Researchers found that smokers using light cigarettes are 50% less likely to quit than those smoking non-light cigarettes, with the effect increasing with age. The study suggests that physicians should warn patients about light cigarettes during smoking cessation counseling.
Studies in Sweden, China, and the US find strong links between smoking and osteoporosis, with smoking hastening bone erosion and increasing fracture risk. Second-hand smoke also significantly increases risk for osteoporosis and fractures in both men and women.
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A University of Minnesota study found that directed health education and advice-oriented counseling can help African American light smokers quit. The study showed that participants who received specific health education had double the quit rate compared to those receiving motivational counseling.
A recent study published in Tobacco Control found that teenagers who smoke just one cigarette are at risk of becoming regular smokers for up to three years. The researchers analyzed data from over 6,000 young people and found that those who had tried a single cigarette were twice as likely to become regular smokers by the age of 14.
Infants exposed to 20 or more cigarettes a day are three times more likely to develop allergic rhinitis by their first birthday. Environmental tobacco smoke puts harmful particulates in the air that can lead to serious allergic conditions like asthma.
Researchers found that most mothers realize the importance of protecting their child's health but often prioritize maintaining marital harmony. The study showed that even with public smoking bans, families still face challenges in quitting smoking at home.
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A study of 225 children exposed to at least five cigarettes a day found a significant relationship between cotinine levels and increases in acting out, anxiety, depression, and behavior problems. The study suggests that exposure to environmental tobacco smoke is a risk factor for child behavior problems.
A team of researchers is examining how genetics interact with exposure to secondhand smoke in the development of cardiovascular disease. They will investigate 585 children aged 15-20 who have a parent or grandparent with hypertension or heart disease, looking for signs of cellular damage and increased cardiovascular risk.
A study by McGill University researchers found that people who expect to smoke soon are more susceptible to visual cues, leading to increased cravings. The study suggests that stress or disruptions to the prefrontal cortex can also trigger relapse, shedding light on nicotine addiction treatment.
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Researchers found that training teens on media literacy can significantly reduce smoking behaviors, intentions, and attitudes. The study's scale for measuring media literacy correlated with smoking patterns and showed promise as a component of tobacco control programs.
A recent study of over 8,000 men found that smoking was significantly associated with an increased risk of erectile dysfunction. Those who smoked up to 20 cigarettes per day were 24% more likely to experience difficulties maintaining an erection, while those who smoked more than a pack a day were 39% more likely.
A study published in Ambulatory Pediatrics found that only 64% of parents with asthmatic children have complete no-smoking rules at home and car. Most caregivers reported being asked about smoke exposure by healthcare providers, but few were offered resources to help quit smoking.
A study of 3,778 individuals found that 52.1% of those with circulatory disorders continued to smoke. Only 3.4% of smokers had received counselling in the past year.
A recent study published in Nicotine and Tobacco Research found a significant link between genetic variations in the PTC gene and smoking behavior. Smokers with reduced bitterness sensitivity were more likely to smoke for taste, while those with a specific less common genetic variant were 20% less likely to smoke.
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The Global Youth Tobacco Survey found nearly 9% of students aged 13-15 were current smokers, with high exposure to secondhand smoke and non-cigarette tobacco use among young girls. Reduction efforts require preventing initiation and promoting cessation, with strong smoke-free policies necessary to combat the growing toll of tobacco use.
A Mexican study found that indoor air pollution from wood smoke increases the risk of COPD, a lung disease. Women in developing countries are disproportionately affected due to their early exposure to biomass smoke.
The Lancet editorial calls on UK Parliament members to consider the health implications of voting on a smoking ban. Exemptions for pubs without food service may perpetuate health inequalities and increase second-hand smoke exposure, particularly in poorer areas.
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A study found that 50% tomato juice drink completely prevented smoke-induced emphysema in mice, with lycopene cited as a key contributor. Researchers believe the model can be used to explore pathophysiology and therapeutic intervention for human diseases.
Research suggests that low-dose carbon monoxide can act as an anti-inflammatory agent, reducing the production of interleukin-12 and short-circuiting disease-causing inflammation in ulcerative colitis. Non-smokers with inflammatory bowel disease should not rely on smoking to alleviate symptoms.
Children with a specific gene variation are more susceptible to respiratory illness when exposed to second-hand smoke. The USC study found that these children are four times more likely to miss school due to lower-respiratory illness, and their risk increases with exposure to multiple smokers.
A California-based study found that genetic susceptibility caused by a variant genotype influences the risk of respiratory-related school absences due to second-hand smoke. Exposure to second-hand smoke increased the risk by 51% for lower respiratory illness in genetically susceptible children.
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Research shows that tobacco smoking, including water pipe smoking, increases the risk of periodontal disease by 5-fold and 3.8-fold respectively compared to non-smokers. Water pipe smoking contains similar toxic substances as cigarette smoke, despite filtration.
A survey of 1,139 smoking patients found that women are more likely than men to believe nicotine causes cancer and feel guilty about their smoking habit. Women also reported a higher fear of gaining weight and managing stress without cigarettes when quitting, highlighting the need for targeted tobacco cessation programs.
A study found that nearly 28% of Americans, or about 76.5 million, live in foreign-stock households, where at least one family member is born abroad. The researchers identified seven household types, showing a more dispersed population than previously thought.
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The study aims to determine the window of time when smoking delays bone healing and identify ways to prevent it. Researchers hope to develop treatments that speed up healing in persistent smokers and those with bone injuries.
Research suggests cannabis smoke contains the same carcinogens as tobacco smoke, but THC inhibits their activation in human cells, potentially reducing cancer risk. Cannabis has also been shown to kill cancer cells and reduce tumour growth.
A new study finds that cigarette smoking exacerbates brain atrophy in alcoholics, particularly in regions such as the parietal and temporal lobes. The researchers discovered a direct relationship between brain volume and cognitive function among non-smoking alcoholics, but no similar link was found among smokers.
A population-based study with up to 31 years of follow-up found that reducing tobacco consumption from heavy smoking can lower lung cancer risk. Heavy smokers who cut their daily intake by half saw a 27% reduction in lung cancer risk compared to unchanged heavy smokers.
A recent USC study found that popular sixth-grade students were more susceptible to smoking and more likely to actually smoke than their peers. The association existed across ethnicities and genders, with non-white boys being the strongest group.
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A new study found that childhood exposure to second-hand smoke increases the risk of chronic dry cough and other respiratory problems in adulthood. Researchers discovered that consuming a small amount of fruit fiber, equivalent to eating two apples daily, can help mitigate these effects.
A Canadian Medical Association Journal study found that salivary cotinine levels, a measure of second-hand smoke exposure, are linked to an increased likelihood of smoking in adolescence. The research suggests that early childhood exposure may be a key factor in the development of nicotine-seeking behavior.
A study published in BMC Pediatrics finds that active maternal smoking, passive exposure, and even quitting during pregnancy can cause genetic damage in the developing fetus. This damage may have lifelong repercussions for the exposed fetus, affecting survival, birth weight, and susceptibility to disease.
A study by Christine Gieseke and Prue Talbot found that cigarette smoke significantly reduces the transport of hamster eggs through the oviduct. The researchers exposed cumulus-coated eggs to six types of cigarette smoke, resulting in a 40-55% increase in adhesion to the infundibulum and a 20-35% decrease in egg transportation rates.
A computer model has been developed to aid in the design and certification of new fire detection systems in cargo compartments. The model uses complex simulations to determine worst-case locations for fires and optimal sensor placement, reducing the risk of false alarms.
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UCLA researchers have identified the mechanism by which chronic exposure to tiny levels of carbon monoxide damages hearing in young ears. This link highlights the need for policy makers to regulate CO emissions from home appliances and vehicles.
Research suggests long-term exposure to passive smoking increases premenopausal breast cancer risk by 68%. Active smoking also poses significant risk, with a 108% increase in breast cancer risk among those who have smoked.
A new study reveals that tobacco industry documents show companies intentionally modified products to promote female smoking by emphasizing stylishness and perceived health benefits. The analysis highlights the troubling implications for world health as tobacco companies seek to increase smoking among women in developing countries.
A study of 225 women undergoing IVF found that side-stream smoking was associated with lower implantation and pregnancy rates compared to non-smoking and mainstream smoking groups. The researchers are calling for women to reduce or prevent exposure to cigarette smoke, especially when trying to conceive.
Alcohol consumption and cigarette smoke both impair lung defenses against Streptococcus pneumoniae, a bacterium that causes pneumonia and other infections. Researchers exposed rats to smoke and varying levels of alcohol, then infected them with S. pneumoniae, finding that the combination increased bacterial penetration into the lungs.
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A new screening tool has been developed to assess children's exposure to secondhand smoke by asking caregivers about smoking factors in the home. The tool, which correlates with hair cotinine levels, can help pediatricians identify high-risk children and facilitate assessment in busy practices.
A three-question model asks about parental smoking habits and home environment to gauge ETS exposure risk. The study used hair samples to measure cotinine levels, finding that parental reports often underestimated child exposure.
Research found that alcohol consumption increases smoking urge in light smokers, regardless of nicotine withdrawal symptoms. The desire to smoke while drinking is related to the amount of alcohol consumed during a drinking episode.
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A study of 316 internet websites found that most government and health advice sites incorrectly state the risks of smokeless tobacco as comparable to cigarettes. This misinformation may encourage smokers to stick with a much more hazardous product, despite available harm reduction options like switching to smokeless tobacco.
Researchers at NYU and MSKCC have discovered a conformational switch in DNA that changes the way carcinogens bind to p53 genes, potentially leading to cancer. The study sheds light on how environmental chemical carcinogens, including those found in cigarette smoke, can induce mutations and cancer.
A 2001 study commissioned by Philip Morris was cited in at least 19 papers, misleading physicians and researchers about the SIDS risk. The tobacco company paid scientists to challenge the scientific finding that secondhand smoke increases the risk of SIDS.
African American children with asthma have significantly higher levels of cotinine, a substance produced when the body breaks down nicotine. The study suggests that differences in additives to cigarettes, such as menthol, could explain the observed racial differences.
Researchers found that smoking promotes rapid production of COX-2 in oral mucosal cells, with tobacco smoke inducing EGFR activation. This activation leads to increased COX-2 protein production, highlighting a potential mechanism for tobacco-related cancers.
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A study reveals tobacco companies' strategies to counteract research linking tobacco smoke to cancer-causing mutations in the p53 gene. The industry supported studies that appeared to cast doubt on this link, raising concerns about conflicts of interest and the integrity of scientific research.
A study found that environmental tobacco smoke exposure is linked to significant declines in reading and math scores, as well as logic and reasoning skills in children. The research suggests that even low levels of exposure can have adverse effects on cognitive abilities, with an estimated 33 million US children at risk.
The Life Sciences Research Office has established scientific criteria to assess the impact of non-tobacco additives on cigarette smokers. The criteria focus on identifying potential risks and determining safe levels of additives, while considering inhalation testing within a smoke matrix.