YMMV wrote:
No EPO in the '80s. There was blood doping, but there is no evidence that any U.S. runners ever did that (although it seems like something that Al "Vampire" Salazar would jump at).
EPO was used in the late '80s. and before that there was not only blood doping.
and even long before that they tried all kind of things.
doping isn't something new, really.