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Association between second-hand smoke exposure and lung cancer risk in never-smokers: a systematic review and meta-analysis

Background

Lung cancer ranks as the leading cause of cancer-related deaths worldwide. There is evidence that second-hand smoke (SHS) exposure is a risk factor for the development of lung cancer in never-smokers. This systematic review and meta-analysis aims to provide the most accurate quantification of the association between SHS exposure and lung cancer risk in never-smokers.

Materials and methods

Through the use of an innovative method to identify original publications, we conducted a systematic review of the literature, with corresponding meta-analysis, of all epidemiological studies evaluating the association between SHS exposure and lung cancer risk among never-smokers, published up to May 2023. Pooled relative risks were obtained using random-effects models. Dose–response relationships were derived using log-linear functions or cubic splines.

Results

Out of 126 identified eligible studies, 97 original articles were included in the meta-analysis. The pooled relative risk for lung cancer for overall exposure to SHS was 1.24 (95% CI 1.16–1.32, number of articles, n=82). Setting-specific relative risks were 1.20 (95% CI 1.12–1.28, n=67) for SHS exposure at home, 1.38 (95% CI 1.28–1.62, n=30) at a workplace, 1.37 (95% CI 1.22–1.53, n=28) at home or a workplace and 1.27 (95% CI 1.11–1.44, n=24) in nonspecified settings. The risk of lung cancer significantly increased with the duration, intensity and pack-years of SHS exposure.

Conclusions

This meta-analysis shows that exposure to SHS increases by more than 20% the risk of lung cancer among never-smokers, providing definitive evidence of the association between SHS exposure and lung cancer risk.




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Secondhand smoke still an issue in certain industries: study

Boston – Despite an overall drop in secondhand smoke exposure in the workplace, workers in industries such as installation and repair, construction, and transportation remain at high risk, concludes a study from the Massachusetts Department of Public Health.




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Dunkin' Donuts Comet Candy Donut and Smoked Sausage Breakfast Sandwich

Dunkin’ Donuts is reaching for the stars this summer with a colorful new doughnut inspired by the cosmos. 




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Austin Vape and Smoke Announces Exciting Summer Flash Sale!

Don't miss this opportunity to save big on select items in-store and online.




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MMWR: State-Specific Prevalence of Current Cigarette Smoking and Smokeless Tobacco Use Among Adults Aged ≥18 years – United States, 2014

Data regarding the use of smoking and tobacco use among adults in 2014.




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MMWR: Consumption of Combustible and Smokeless Tobacco—United States, 2000-2015

Information regarding the current use of combustible and smokeless tobacco in the United States.




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wheed smoke

Today on Married To The Sea: wheed smoke


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Kids Bear the Brunt of Thirdhand Smoke

medlinkChildren/medlink are the most susceptible to third-hand smoke (!--ref1--) pollutants that linger indoors after tobacco is smoked. World




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Secondhand Smoke and Cancer

A fact sheet that summarizes the studies on the health effects of exposure to environmental (secondhand) tobacco smoke.




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A suitcase full of clouds | Stocking up on chubitchi brew and smoked pork in Iewduh, Shillong

When a restaurant owner from Chennai made space in her suitcase for Khasi delicacies, smoked meats, and some local liquor




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What is thirdhand smoke?

Thirdhand smoke is residual smoke and chemicals that linger in surfaces and still cause harm to people and animals.



  • Fitness & Well-Being

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Children’s Exposure to Secondhand Smoke May Be Vastly Underestimated by Parents

Tel Aviv University Press Release Smoking parents misperceive where and when their kids are exposed to cigarette smoke, Tel Aviv University researchers say Four out of 10 children in the US are exposed to secondhand smoke, according to the American … Continue reading




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High efficiency apparatus for liquid smoke generation from wood

This invention relates to a high efficiency apparatus for manufacturing an aqueous wood smoke solution in the form of a liquid smoke desired concentration by burning wood, wooden chips or sawdust in a limited amount of air. Wood consumption per unit of liquid smoke is significantly smaller comparing to conventional methods, while the air pollution is reduced to a negligible level.




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Thousands of children at risk from second-hand smoke

THOUSANDS of children in Hampshire are at risk of contracting life-threatening illnesses from breathing in second-hand smoke, health chiefs have warned.




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Watch Issa Rae Play a Gun-Wielding Stripper Opposite Danny Trejo in D Smoke’s ‘Lights On’ Visual (EXCLUSIVE)

D Smoke first wowed the music world when he won the inaugural season of "Rhythm + Flow," Netflix's hip-hop  competition show with Cardi B, Chance the Rapper and T.I. as judges. Impressing both the panel and viewers at home with meaningful, uplifting verses, the Inglewood, Calif. native, whose real name is Daniel Farris, dropped his […]





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D Smoke Invokes A Powerful Message For ‘Black Habits’ Video



D Smoke taps into the bloodline of Blackness.





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Kale Pasta Salad With Parm and Smoked Almonds

Kale, lots of crunchy vegetables and an assertive dressing make pasta salad worth eating again.




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Secondhand Smoke Exposure in Cars Among Middle and High School Students--United States, 2000-2009

Secondhand smoke exposure poses a significant health risk to nonsmokers. With the proliferation of comprehensive smoke-free laws prohibiting smoking in worksites and public areas, private areas have become the primary source of secondhand smoke exposure for many individuals, particularly youth.

Secondhand smoke exposure in cars has steadily declined among middle and high school students. However, many remain exposed to secondhand smoke in this environment. Jurisdictions should expand existing comprehensive smoke-free policies to prohibit smoking in vehicles occupied by youth. (Read the full article)




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Reducing Children's Exposure to Secondhand Smoke at Home: A Randomized Trial

The World Health Organization estimates that ~700 million children breathe tobacco smoke polluted air, particularly at home. Educational strategies either directly or indirectly targeting household decision-makers through other family members are effective in reducing children's exposure in private homes.

Intensive intervention was effective in decreasing children’s personal exposure to secondhand smoke (SHS), educating mothers about SHS, and promoting smoking restrictions at home. However, superiority over minimal intervention to decrease children’s personal exposure to SHS was not statistically significant. (Read the full article)




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Thirdhand Smoke Beliefs of Parents

Little is known about how thirdhand smoke beliefs are related to smoking and quitting behaviors, and how parental smokers’ thirdhand smoke beliefs influence behaviors to protect children. A previous study suggests thirdhand smoke beliefs are associated with home smoking bans.

This is the first study to show that parents’ beliefs about thirdhand smoke are associated with multiple smoking-related attitudes and behaviors that affect the health of children. (Read the full article)




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Forest Service and Smokey Bear Spread Fire Safety Message to First-Grade Students

As part of National Fire Prevention Month in October, Smokey Bear will be visiting classrooms with the Delaware Forest Service's yearly fire prevention education programs targeted to first-grade students in the state's private, public, and charter schools. Ashley Peebles coordinates the successful effort that reaches around 9,000 students annually.




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Delaware Forest Service’s Ashley Melvin earns Gold Smokey Award

Ashley Melvin, the Delaware Forest Service's education specialist who directs its successful Smokey Bear fire prevention program, received a Gold Smokey Award in Ohio recently at an annual meeting of state foresters. The award was presented to the Mid-Atlantic Interstate Forest Fire Protection Compact's education committee, of which Delaware is a member. The compact is comprised of seven states including Delaware, Maryland, New Jersey, Ohio, Pennsylvania, Virginia, and West Virginia. In the world of wildfire prevention, there is no greater honor than to receive a Smokey Bear award, especially the national Gold Smokey award. These special awards are reserved for people or organizations that provide sustained, outstanding service, with significant program impact, in the wildfire prevention arena. Honorees demonstrate innovation, creativity, commitment and passion for wildfire prevention.




d smoke

Secondhand Smoke Blocks Artery Repair

Title: Secondhand Smoke Blocks Artery Repair
Category: Health News
Created: 4/30/2008 2:00:00 AM
Last Editorial Review: 4/30/2008 12:00:00 AM




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Secondhand Smoke Permeates Many Apartment Buildings: Study

Title: Secondhand Smoke Permeates Many Apartment Buildings: Study
Category: Health News
Created: 4/29/2012 10:05:00 AM
Last Editorial Review: 4/30/2012 12:00:00 AM




d smoke

Many Asthmatic Kids Harmed by Secondhand Smoke: Study

Title: Many Asthmatic Kids Harmed by Secondhand Smoke: Study
Category: Health News
Created: 5/1/2012 10:05:00 AM
Last Editorial Review: 5/1/2012 12:00:00 AM




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Secondhand Smoke Tied to Lower 'Good' Cholesterol in Teen Girls

Title: Secondhand Smoke Tied to Lower 'Good' Cholesterol in Teen Girls
Category: Health News
Created: 4/30/2013 2:35:00 PM
Last Editorial Review: 5/1/2013 12:00:00 AM




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Brad Pitt, 55, admits he would smoke pot and hide out in the 1990s

'I spent most of the '90s hiding out and smoking pot,' the ex-husband of Angelina Jolie said. 'I was too uncomfortable with all the attention.' At the time he was with Paltrow and made Seven.




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Binky Felstead recreates the perfect pout and smokey eye seen on Mila Kunis

This week Binky channels the beauty look of her latest Hollywood style crush - Mila Kunis




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Unbranded smoke alarms and carbon monoxide detectors sold on eBay are 'putting lives at risk'

The probe by the consumer watchdog found hundreds of examples of unbranded devices (pictured) on the online auction site that failed to detect CO gas or smoke reliably.




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Clamping down on second-hand smoke


A clear focus on protecting the interests of non-smokers has led to worldwide efforts to ban smoking in all public places, and strongly curtail any exceptions. India too has joined this trend, writes Ramesh Menon.




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Secondhand Smoke and Cancer

A fact sheet that summarizes the studies on the health effects of exposure to environmental (secondhand) tobacco smoke.




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Thirdhand smoke detected in nonsmoking facility

Tobacco-related compounds probably transported on smokers' clothes and bodies




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Soreno Hotel behind bench and foliage, plus a man working, cars and smokestack at side




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Soreno Hotel with Vinoy in background, umbrella table, cars parked and driving, people walking, tree-lined streets, St. Petersburg Art Club, and smokestack clearly visible




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Sailboat and passengers in Tampa Bay with land and smokestack in background