The problem is that it can take years for a new drug to be identified, then years on how to test for it, and then all the politics on whether they should test for it. An athlete can have an entire career on a drug before the doping agencies catch up.
The problem is that it can take years for a new drug to be identified, then years on how to test for it, and then all the politics on whether they should test for it. An athlete can have an entire career on a drug before the doping agencies catch up.