Vaping increases the risk of asthma in adolescents who have never smoked conventional tobacco products, a new study suggests.

Vaping, or the use of electronic cigarettes (e-cigarettes), among adolescents has grown dramatically over the past several years. Although e-cigarettes have fewer toxins than regular cigarettes, they still contain a mixture of harmful chemicals and raise the risk of respiratory diseases.

For the new study, published in Preventive Medicine , the researchers analyzed data from a national survey of youth to determine whether there is an association between vaping and asthma. The researchers also sought to identify factors that may be associated with e-cigarette use in adolescents.

The team used data from the Youth Risk Behavior Surveillance System, a national health dataset set up by the Centers for Disease Control and Prevention to track the health behaviors and outcomes of children and youth. This study used data collected between 2015 and 2019 that included information on e-cigarette use. The analysis included data on more than 3,000 adolescents aged 13 to 17 in Texas and more than 32,000 adolescents in the United States for comparison.

The survey asked respondents whether they had ever used an e-cigarette, how many days during the previous 30-day period they had used one, and whether they had ever been told they had asthma by a health care professional.

The study included information on respondent gender, age, race and ethnicity, body mass index (BMI), and presence of depression symptoms. The analysis also included data on the use of other substances, such as conventional cigarettes, alcohol, and illicit drugs.

The study identified an association between e-cigarette use and asthma in adolescents who had never smoked conventional tobacco products. This demonstrates that vaping increases the risk of asthma independently from conventional tobacco product use in adolescents.

The researchers also found evidence that some demographic factors, behaviors related to substance use, and the presence of depressive symptoms are associated with e-cigarette use. Adolescents who used conventional cigarettes, alcohol, and other substances were more likely to use e-cigarettes, as were people with depression.

Additionally, Hispanic adolescents in Texas were significantly less likely to have used e-cigarettes than their non-Hispanic white peers. However, the researchers found no notable differences between racial and ethnic groups for the US overall. More research is needed to identify factors that could be associated with lower e-cigarette use among Hispanic adolescents in Texas.

“Increasing knowledge about the harmful effects of e-cigarette use, implementing stricter regulations, and promoting alternative coping mechanisms for mental health are potential interventions to mitigate e-cigarette use,” says lead author Taehyun Roh, assistant professor in the epidemiology & biostatistics department at the Texas A&M University School of Public Health.

Given the burdens presented by asthma and the growing use of e-cigarettes in adolescents, the researchers are hopeful that these findings will help inform public health efforts to reduce e-cigarette use.

Source: Texas A&M University

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