Vaping vs Smoking: Both Increase Asthma Risks for Children

Children living in homes where caregivers use both conventional cigarettes and e-cigarettes face the highest risk of asthma flare-ups, according to a study of more than 48,000 pediatric doctor visits. While many adults assume vaping is a safer alternative, data analyzed from a large U.S. pediatric care network over a 33-month period show that secondhand exposure to e-vapor alone still triggers asthma flares and activity-linked symptoms in kids age 1 and older.

Asthma Attack Odds Rise in Vaping Households

The study evaluated medical charts from children with asthma whose caregivers reported tobacco and e-cigarette use inside the home. Researchers found that 9% of the analyzed clinic visits involved households where both tobacco and e-cigarettes were used. Meanwhile, 5% of visits involved households with tobacco use only, and 3% involved vaping only.

Exposure to both product types generated the most severe asthma-related incidents among pediatric patients. Children in dual-use homes suffered from increased night-time symptoms, more activity-related breathing trouble, higher reliance on rescue inhalers, and a greater number of hospital admissions.

Safe Level of Nicotine Exposure Does Not Exist for Children

Dr. Brian Jenssen, lead author of the study and an associate professor of pediatrics and a pediatrician at Children’s Hospital of Philadelphia, noted that the common assumption among parents that e-cigarettes are a safer alternative to cigarettes for children’s health does not hold up against clinical evidence. The data revealed that secondhand exposure to smoking alone or vaping alone both increased the incidence of asthma flares and activity-linked symptoms.

There is no safe level of tobacco or e-cigarette exposure when it comes to children,

Dr. Brian Jenssen, Children’s Hospital of Philadelphia

Jenssen stated in a news release that parents and caregivers using nicotine products should make every effort to quit. He cautioned that quitting smoking should not involve transitioning to vapes, but rather utilizing evidence-based options like counseling, nicotine replacement therapy, and varenicline.

Preliminary Medical Findings Await Peer-Reviewed Publication

Because the findings were presented at a medical meeting and released by the American Academy of Pediatrics on October 2, 2026, experts classify the results as preliminary. The data require full publication in a peer-reviewed journal.