According to a report from Medscape on August 5th, a study has shown that using e-cigarettes indoors as an alternative to traditional cigarettes can reduce the amount of nicotine and other harmful substances that children passively absorb by over 80%. However, children exposed to aerosols from e-cigarettes still absorb more harmful substances than children who are not exposed at all.
This study utilized the National Health and Nutrition Examination Survey (NHANES) database within the Centers for Disease Control and Prevention (CDC) in the United States, analyzing data from 1,777 children aged 3 to 11 years old. The data covered the time period from 2017 to March 2020, avoiding the impact of data during the COVID-19 pandemic. The average age of participants was 7.4 years old, with 48.6% being female and 29.9% coming from households with incomes below the poverty line. The sample included Hispanic, Black, and White children, with 17.9% coming from multiracial or other ethnic backgrounds.
Research results indicate that children exposed only to e-cigarette aerosol have serum nicotine levels 83.6% lower than children exposed to traditional cigarettes. Children who were not exposed had the lowest serum cotinine levels, 96.7% lower than those exposed to traditional cigarettes and 80.1% lower than those exposed to e-cigarette aerosol. This finding suggests that using e-cigarettes as an alternative to traditional cigarettes indoors can significantly reduce children's exposure to nicotine and other harmful substances. However, e-cigarette vapor still contains other harmful ingredients, which cannot completely eliminate health risks for children.
According to reports, the study was published on July 11, 2024 in the "JAMA Network" journal, with Dr. Harry Tattan-Birch, Ph.D. from the Department of Behavioural Science and Health at University College London as the first author. One of the authors of the study had previously received funding from the UK Cancer Research Center, Pfizer, and Johnson & Johnson, companies that produce smoking cessation medications, but this funding was unrelated to the current study. The study coordinator had also received funding from Pfizer and personal remuneration from Johnson & Johnson, neither of which were related to the study. He is also employed at University College London, receives funding from the UK Higher Education Funding Council, and serves as a paid consultant for grant bodies and health companies, while also receiving research funding from the government and charitable organizations.
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