In June, USADA accused Mr. Armstrong and others of conspiring to cheat by using performance-enhancing drugs.
Eight of the nine top lifters tested positive for performance-enhancing drugs, not steroids, as originally reported.
He said he hadn't used steroids or other performance-enhancing drugs, contradicting allegations by his former trainer.
Selig spoke at a congressional hearing about the recent Mitchell report on performance-enhancing drugs in baseball.
Another rider said he didn't want to take performance-enhancing drugs because he feared the health consequences.
And controversy followed Argentina's Diego Maradona who was banned mid-tournament after taking illegal, performance-enhancing drugs.
He was accused of using performance-enhancing drugs by other riders, but never failed a drug test.
Now, of course, there are fundamental differences between using performance-enhancing drugs and playing in pre-integration baseball.
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He says anonymous surveys of athletes indicate that only a tenth of them use performance-enhancing drugs.
He told a congressional committee in 2005 that he never took illegal performance-enhancing drugs.
The government has accused Clemens of making false statements to Congress about his use of performance-enhancing drugs.
Barry Bonds, the home run record holder, faces another set of allegations that he used performance-enhancing drugs.
The incursion of performance-enhancing drugs has distorted expectations about what players can accomplish in their sunset years.
That Bonds, like so many other players of his time, used performance-enhancing drugs is not really in question.
They've been locked in a bitter public dispute for weeks over performance-enhancing drugs, and they went to Congress yesterday.
Professional sports have been racked with concern about the use of performance-enhancing drugs.
The New York Times reported last week that Armstrong, 41, was contemplating publicly admitting he used illegal performance-enhancing drugs.
All-Star pitcher Roger Clemens said yesterday he has never taken banned performance-enhancing drugs.
Gonzalez recently was linked to a Miami-area clinic under investigation by MLB for allegedly supplying performance-enhancing drugs to players.
That was former Senator George Mitchell yesterday delivering his much-anticipated report on the use of performance-enhancing drugs in baseball.
But these would not merely be performance-enhancing drugs to be abused by athletes.
"He (Galea) never gave me HGH or any PEDs (performance-enhancing drugs), " Woods insisted.
Performance-enhancing drugs are banned from Olympic competition, but it is a ban that has been honored in the breach.
Under World Anti-Doping Agency rules, an athlete who confesses to using performance-enhancing drugs may be eligible for a reinstatement.
Instead, we should focus on preventing performance-enhancing drugs from making the athletes sick.
Under the contract with the team, riders were prohibited from using performance-enhancing drugs.
Anderson is a convicted felon, and is accused of supplying and injecting Bonds and other elite athletes with performance-enhancing drugs.
Marion Jones went to jail after being convicted of lying to a grand jury about her use of performance-enhancing drugs.
Rodriguez, 37, has admitted in the past to using performance-enhancing drugs, but he also has denied taking any after 2003.
And make no mistake, when I told Senator Mitchell that I injected Chuck Knoblauch with performance-enhancing drugs, I told the truth.
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