Pardon me an article about the study.
Sounds like any other PED to me. Since when did possible carcinogenic properties ever make an athlete hesitate to dope?The drug "is much like fire -- it can be very harmful, and yet it can be useful if you know how to control it," Cooke said in an interview.
The only problem I have in all this is, how do you keep a cigarette lighted when moving at 30 mph or faster? And are you allowed to borrow a lighter from the team car, or is that cheating? Are there penalties for dropping butts on the road? Lots of unexplored issues here.