Toxic Dust: Measuring Awareness about Third-Hand Smoke Contamination in Homes Among Smokers and Non-smokers of Family Members—A Cross-sectional Study

Substantial THS awareness gaps exist among smokers, compounded by misconceptions about exposure mitigation. Findings highlight the need for targeted educational interventions addressing these knowledge deficits, particularly focusing on proper cleaning practices and smoke-free home implementation. The study provides crucial baseline data for developing context-specific THS risk communication strategies in urban Indian settings.