Childhood Asthma: A Growing Public Health Concern
Asthma affects approximately 10% of children globally, with prevalence increasing in industrialized nations. Environmental chemical exposures during early development are implicated in immune sensitization leading to asthma.
PFAS and Pulmonary Development
PFAS compounds accumulate in lung tissue and alter surfactant protein function. Studies show prenatal and early childhood PFAS exposure is associated with reduced forced expiratory volume and increased airway hyperreactivity.
Immune Sensitization Mechanisms
PFAS disrupt T-helper cell balance, promoting Th2-skewed immune responses characteristic of atopic asthma. Elevated IgE levels and eosinophilia have been observed in PFAS-exposed children.
Prevention and Management
Reducing household PFAS sources—including non-stick cookware, stain-resistant carpets, and contaminated tap water—may lower asthma risk. Schools and pediatricians in PFAS-affected areas should monitor pulmonary function proactively.