When you either heat tobacco or a liquid, you vaporize an aerosol former, typically propylene glycol or glycerol, and these are the fundamental differences between the smoke from a cigarette containing solid particles and thousands of chemicals, compared to aerosols that are generated from smoke-free products that contain much less chemicals and liquid droplets
Occasional drinkers were more likely to report occasional smoking than non-drinkers, and frequent drinkers were more likely to be occasional and regular smokers, controlling for age, gender, education, race/ethnicity, city and binge drinking status (Table 3)
In a rolled cigarette (joint), 200-400 mg of cannabis is usually mixed with tobacco and smoked alone or with others
In legal proceedings, expert testimony often clarifies complicated details for judges and juries, improving the chance of a favorable outcome