21.   Drug use has become so sophisticated that athletes use topical steroid gels that flush from the system in hours.

22.   EPO, considered to be a real magic bullet, is thought to be widely used by athletes in cycling, distance running, swimming and other endurance sports.

23.   FITNESS-INTERNET-- A look at how recreational athletes use the Internet.

24.   Hamilton has occasionally been cavalier or short-sighted about the use of the N-word, usually after a black athlete has used the word.

25.   However, research on a reliable test for EPO lags behind research to detect synthetic human growth hormone, another banned substance used by athletes for its steroidlike qualities.

26.   In controlled studies at three universities, athletes using creatine showed significantly more improvement in weightlifting performance than did placebo groups in identical training programs.

27.   It also said it could not take action without proof that athletes had used illegal drugs.

28.   One woman looks at my plastic ID, which has the shield-shaped U.S. symbol that American athletes used to wear at the Olympic Games.

29.   One possible explanation is that nandrolone may be contained in improperly labeled nutritional supplements that many athletes use, some scientists have said.

30.   Other techniques used by athletes are hot showers or baths, massages and saunas to ease muscle soreness, and electrolyte drinks to refuel the body.