This increases the oxygen-carrying potential during the blood, letting the cardiovascular system to much more efficiently transport oxygen for the muscles, avoiding lactic acid buildup. The inquiry disclosed a classy doping method inside the group structure. Riders were being furnished with general performance-boosting substances and methods to avoid detection. Armstrong's https://abcnews.go.com/US/lance-armstrong-doping-investigation-widens/story?id=13663557