As the world turns over on whether or not Lance Armstrong did EPO during the 1999 Tour De France, I thought that this article interviewing the head of Canada's testing lab interesting.

Basically, she states that "EPO - in its natural state or the synthesized version - is not stable in urine, even if stored at minus 20 degrees." and that her lab -- which assists in developing the world standard for these tests -- can't test for EPO in a sample after two to three months because the proteins degrade quickly.

So, while I remain convinced that cyclists use performancing enhancing drugs just like every other professional athelete in the world, I find this kinda ridiculous.