Question

How does the nicotine and tar content of sidestream smoke compare to that of mainstream smoke

Answer 1

sidestream smoke contains twice as much tar and nicotine

Answer 2

Mainstream smoke is exhaled from a smoker's lungs. Sidestream smoke, is smoke that goes into the air directly from the cigarette. Sidestream smoke contains twice as much tar and nicotine as mainstream smoke. Hope this helps~