I have a friend who is a .  He said that he did a gig in Cardiff following the Welsh smoking ban in April.

He said that after a few hours of the dance floor being packed the overiding smell in the club was ! Sweat ! where it would have been smoke. 

Never mind glow sticks....  Pine Fresh Trees are the future.

All the best

Wrighty.
PS: Cant believe my first post on this poker forum is about sweat!