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WHAT ARE THE LIMITS?

As the world gears up for the Olympic Games in Athens, Nature news journeys to the frontiers of athletic performance. Test yourself in our interactive challenge to create the perfect endurance athlete, find out whether the concept of the world record needs a rethink, and read about the battle to beat the drug cheats - a race that some say will never be won.

Step into the world of the athletes who work their bodies so hard that they develop a syndrome of perpetual exhaustion, and those for whom a rare genetic condition can mean that the decision to compete in the games could even prove fatal. And discover how Athens' notorious pollution will make some events as much of a test of the lungs as of the legs.

4 August 2004

Concept and editing by Michael Hopkin.
Design by Charlotte Westney and Steve Shields.
Additional reporting by Helen Pilcher and Emma Marris.


AIDS special The faking of champions
Surveillance for biotech performance-enhancing drugs was increased at last month's Olympic Games. Will athletes turn to more stealth enhancements in the future? Laura DeFrancesco investigates.
27 August 2004
AIDS special Top of the world
This summer will see the world's supreme athletes doing what they do best. But what does it take to reach the top, asks Nature news, and will we ever witness the perfect performance?
4 August 2004
AIDS special Beating the drug cheats
Experts fear the battle may never be won.
4 August 2004
A breed apart
Olympic athletes are on the edge of normal physiology, finds Alison Abbott.
4 August 2004
The medals and the damage done
Athletes' punishing schedules push their bodies to the limit. But what happens if they go too far? Jim Giles finds out.
4 August 2004
Heart-stopping action
Some athletes diagnosed with a genetic heart condition are banned from competitive sport. Laura Spinney discovers how they are fighting for the right to run the risk of death.
4 August 2004
Gasping for victory
This year's Olympics will take place in Athens, a city renowned for its hot, humid summers and stifling air pollution. Martin Leeb discovers how the athletes plan to overcome the hurdle of these tough conditions.
4 August 2004
 
 
 
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