[Influence of passive exposure to tobacco on the development of sibilus in children]
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Updated: Aug 3, 2026

Impact Assessment of Repeated Exposure of Organotypic 3D Bronchial and Nasal Tissue Culture Models to Whole Cigarette Smoke
Published on: February 12, 2015
Insights
Passive exposure to secondhand smoke in children did not increase the risk of respiratory illnesses like wheezing. This study found no significant link between household smoking and respiratory symptoms in young children.
Area of Science:
- Pediatric respiratory health
- Environmental health
- Epidemiology
Context:
- Childhood respiratory illnesses are a significant public health concern.
- Understanding environmental risk factors is crucial for prevention.
- Previous research has suggested a link between passive smoking and respiratory issues in children.
Purpose:
- To investigate the association between passive smoking exposure and the incidence of respiratory diseases characterized by ronchi and wheezing in children.
- To determine if children with diagnosed respiratory symptoms are more likely to come from smoking households compared to controls.
Summary:
- A case-control study analyzed 530 children with respiratory symptoms (cases) and age-matched controls.
- No statistically significant difference was found in the proportion of smoking families between the case and control groups (70.5% vs 71.9%).
- The average number of cigarettes smoked per family per day also showed no significant variation between groups, indicating passive smoking exposure was not a differentiating factor.
Impact:
- Findings suggest that in this specific age group, passive exposure to tobacco smoke may not be a significant risk factor for developing respiratory diseases with ronchi and wheezing.
- This research contributes to the understanding of environmental influences on pediatric respiratory health.
- Highlights the need for further investigation into other potential contributing factors for childhood respiratory conditions.
Abstract:
A case-control study was designed to assess the relationship between passive exposure of children to smoking and the development of respiratory diseases with ronchi and wheezing detected by the primary care physician. The clinical records of 530 children in whom at least one episode of ronchi and/or wheezing had been recorded during the four years of activity of the Family and Community Unit of Cornellà were considered as cases. All the remaining children from the same age group were considered as controls. There were no significant differences in the proportion of smoking families between cases and controls (70.5% vs 71.9, chi 2 = 0.018, p = 0.89, NS). The mean number of cigarettes per family and day was not different either. It is a concluded that, in this age group, passive exposure to smoking does not result in an increase of respiratory diseases associated with ronchi and wheezing.
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