Agents that improve performance at activities such as athletics, mental endurance, work and resistance to stress.
1Last year, Armstrong admitted to using performance-enhancing drugs while he was racing.
2If you use performance-enhancing drugs in an athletic competition, it isn't fair.
3He is among the biggest baseball stars accused of using performance-enhancing drugs.
4None of the competitors interviewed by Reuters admitted to taking performance-enhancing drugs.
5Why are baseball players allowed performance-enhancing eye surgery, but not performance-enhancing drugs?
6The serious health dangers of performance-enhancing drugs fail to deter athletes.
7Growing popularity has translated into tougher competition and increased use of performance-enhancing drugs.
8McNamee gave Grimsley Segui's telephone number, knowing both were interested in performance-enhancing drugs.
9The USADA alleges that Salazar trafficked banned performance-enhancing drugs to the project's athletes.
10Clemens has claimed that McNamee injected him with vitamin B-12, not performance-enhancing drugs.
11There can be various reasons for abnormal blood samples other than performance-enhancing drugs.
12Many elite athletes, including myself, will tell you they have never used performance-enhancing drugs.
13For example, the assesses the same suspension for first-time violators caught using performance-enhancing drugs.
14Then again, we ban performance-enhancing drugs in sports to maintain a level playing field.
15Forget performance-enhancing drugs for soldiers, the next frontier is performance-degrading drugs for our enemies.
16McNamee claims to be personally opposed to illegal performance-enhancing drugs.
Translations for performance-enhancing drugs