Changes in concentrations of Tobacco Specific Nitrosamines in saliva in the general population of Barcelona before and after implementation of tobacco control legislation

Key Points

• The study aims to assess the impact of tobacco control legislation on salivary concentrations of TSNAs among smokers and those who quit.
• Measured salivary concentrations of TSNAs before and after legislation implementation
• Compared changes in TSNA levels between continuing smokers and those who quit
• Salivary TSNA concentrations declined in individuals who quit smoking
• Increased concentrations were observed in continuing smokers
• Findings indicate the effectiveness of monitoring TSNAs for legislative impact assessment

Abstract