11.   Athletes themselves take on these expectations and may not reveal to others how much they are suffering.

12.   Athletes took to the practice, accounts say, oiling up before competitions.

13.   Athletes take it because they believe it helps them build muscles.

14.   But Taylor does find it difficult to justify the gamble these athletes take with their lives.

15.   But some athletes take a synthetic version to boost their strength and endurance.

16.   But the bigger problem, say researchers, is the spectrum of not- banned substances that athletes take deliberately.

17.   Code of conduct and grievance procedures that govern American Olympians allow athletes to take disputes to binding arbitration.

18.   Doctors in Britain are increasingly worried by anecdotal reports that athletes are taking insulin, the lifesaving drug used by many diabetics.

19.   Even though North Korea agreed to participate, its athletes had not taken part in a number of the competitions required to qualify for the Olympics.

20.   From choosing fabrics to sketching items, the athletes are taking a hands-on approach to product development instead of merely assessing new products.