But if you allow the borderline drugs then they'll just take the beneficial substance from them in higher doses.
Yes. Compulsory lsd for all competitors. Preferably on the start line so it kicks in after a few miles.
Give them mushrooms and they'll never get on the bike, they'll just want a really deep conversation about the beautiful simplicity of the bicycle and how the chain is a metaphor for the endless struggle of existence.
Since they don't seem to be able to stay away from the drugs, whats the best way to make road racing fair again?