>Given that some athletes will take almost anything to gain a one percent edge in performance, what might they do for a 100 percent improvement? That temptation is made somewhat more real by a report today in a leading journal about a drug that doubles the physical endurance of mice running on treadmills. And it could only be more tempting, because the drug in question has also been reported to extend the lifespan of mice.<
http://www.nytimes.com/2006/11/16/science/17endurancecnd.html?em&ex=1163...
What will Ultra Marathoners do now?
Armstrong comes back to win 10 more TDF?