1.   Although legal, the over-the-counter adrenal hormone is a performance enhancing drug whose long-term risks are unknown.

2.   Its nine riders were accused of the systematic use of illegal performance enhancing drugs, a charge that six of them later admitted.

3.   Samaranch also has been widely criticized for doing too little in the battle against the use of performance enhancing drugs.

4.   Whether performance drugs will ever be eliminated from sports, though, nobody can say.

5.   All three athletes were said to have tested positive for banned performance enhancing drugs, including testosterone, during the Olympic trials in Atlanta last June.

6.   At least six powerlifters at the Sydney Paralympics have tested positive for performance enhancing drugs in pre-competition testing.

7.   Christie has been a vocal campaigner against drugs in sports and last year won a defamation case against a magazine which reported he used performance enhancing drugs.

8.   Despite widespread suspicions over the years about East German athletes using performance drugs, few ever were caught during testing.

9.   Diack said two tests confirmed Nigerian sprinter Paul Egonye used the banned steroid Nortesterone, a performance enhancing drug.

10.   Four athletes banned from the Summer Games in Sydney last summer for using performance drugs say they took only U.S.-made food supplements.