1.   If you have a performance horse, be wary of prohibited substances.

2.   At USADA Bowers heads the research efforts, including those for the detection of prohibited substances.

3.   Barnes, the world record-holder in the shot-put, tested positive for a prohibited substance with steroid-like qualities, Reineri said.

4.   Agents use drills to search the walls and ceilings of tractor-trailer rigs entering the United States for hidden compartments containing stashes of cocaine, marijuana or other prohibited substances.

5.   Evidence of the use of prohibited substances by the Rosa group is nonexistent.

6.   Nevertheless, the IOC is expected to make pot a prohibited substance for all sports, according to Young, who added that consistency is pivotal.

7.   Officials said her urine sample at the April junior championships contained the prohibited substances nandrolone, an anabolic steroid, and fencamfamine, a stimulant.

8.   Slaney said she had never used prohibited substances.

9.   Sometimes days are wasted, which can give an athlete time to chemically mask prohibited substances in his or her body.