tobacco in How Smoking and Nicotine Damage

Scattering Interaction: As the air sample flows through the sensor's measurement chamber, the laser beam intersects with the airborne particles

This method has become a visual shorthand for smokers who have learned to associate certain colors with specific intensity levels

Furthermore, 18% of respondents believe that the consumption of tobacco products is neither positive nor negative, which means that only 4% of those surveyed indicate having a positive opinion of smoking (12% among smokers)

A similar trend is observed in Canada, with approximately 3.5% of 1217-year-olds who were smokers (casual or regular) in 2017, a 25% decrease compared to 2013 (4.6%)