"If we can remove the constant exposure to this behavior as well as to the smoke itself, we also stand a better chance of keeping at-risk youth from beginning to smoke, " Mello says.

CNN: Should public housing projects go smoke-free?

They stand around, smoke cigarettes, and occasionally haul a load of dirt from here to there.

FORBES: China's Mental Default Position

Hearing her wheeze in the smoke which I could barely stand, looking at her bedroom door, burning these are things I can't forget.

FORBES: Anatomy of a confession