Listerine mouthwash, marketed Listerine Cigarettes. Let me repeat that. There used to be Listerine-flavored cigarettes. Someone recently auctioned this intact pack from 1937 on eBay. (via Boing Boing)
Mmm! Hacking up a lung was never more refreshing!
In 1966, Patent No. 3,234,938 was issued for, yes, of course, a Cheese-Filtered Cigarette. (via Weird & Wonderful Patents)