'''Passive [[smoking]]''', or second-hand smoking, is the inhaling of [[tobacco]] fumes exhaled by other smokers. Fear that it may cause lung cancer is the reason for the smoking ban in many public areas. | '''Passive [[smoking]]''', or second-hand smoking, is the inhaling of [[tobacco]] fumes exhaled by other smokers. Fear that it may cause lung cancer is the reason for the smoking ban in many public areas. |