Science - Clearing the Air

Review linking vaping to cancer retracted after “serious flaws” found

A scientific review examining vaping and cancer risk has been formally retracted by its journal. Editors said “substantial concerns were raised regarding the methodological integrity, accuracy, and scientific validity of the review.” The investigation identified “multiple serious flaws that materially affect the…

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Exhaled vape aerosol fades to background levels within seconds, new study finds

Researchers measuring airborne particles from two popular vape devices found exhaled aerosol returned to near background levels within around 20 seconds. Each puff produced a short spike in particle levels of about 500-900 particles per cubic centimetre. Measurements were taken two metres…

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US youth vaping continues to fall as cigarette smoking nears historic low

Youth vaping in the United States continued to decline in 2025, while smoking among teenagers remained close to historic lows, according to new analysis of the National Youth Tobacco Survey (NYTS). The data shows that overall tobacco and nicotine product use among…

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Studies cited in viral video show vaping far safer than smoking

Cigarette smoke contains more than 7,000 chemicals, including at least 70 known carcinogens. Research cited in the viral video states vaping exposes users to “95 percent fewer toxic chemicals” than cigarettes. Smoking is linked to 480,000 deaths a year in the United…

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Nicotine pouches cut toxic exposure to near-cessation levels, major new review finds

Biomarker studies show smokers who switch to nicotine pouches see toxic exposure fall by 42-96%, similar to quitting altogether. Cancer-linked compounds such as tobacco-specific nitrosamines are “undetectable or present at negligible amounts” in pouches. Exclusive pouch users had 91% lower levels of…

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Flawed “switching” label may skew vape health findings, new analysis shows

Two recent studies grouped some ongoing cigarette smokers under the label “EC switchers,” potentially distorting comparisons. In both papers, people classified as using vapes had significantly lower risks of certain major health outcomes than those who continued smoking. When complete switchers were…

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No significant link between exclusive vaping and heart disease, U.S. PATH study finds

Cigarette smokers had 11% higher odds of developing cardiovascular disease than non-smokers Two inflammation markers in the blood - hsCRP and sICAM-1 - help explain much of that increased risk No statistically significant link was found between exclusive vape use and cardiovascular…

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Nicotine use has not fallen despite Australia’s vape crackdown, studies show

National wastewater testing shows total nicotine use in Australia has not fallen and has trended upward since 2016. Regional areas consistently record higher nicotine consumption than capital cities, with the Northern Territory highest overall. Wastewater analysis reports total nicotine only and “cannot…

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Most cigarette and little cigar users overestimate nicotine’s harm, new U.S. Path study finds

63 per cent of adults who use little cigars and cigarillos overestimate nicotine’s harm 65.7 per cent have incorrect perceptions about nicotine’s health risks No significant difference compared with people who smoke cigarettes or use both products Using additional tobacco products linked…

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