This improves the oxygen-carrying capacity from the blood, allowing the cardiovascular program to additional effectively transport oxygen for the muscles, avoiding lactic acid buildup. USADA led the investigation into Armstrong's doping techniques. In 2012, they released a comprehensive report detailing proof of Armstrong's violations. The company billed Armstrong with various https://abcnews.go.com/US/lance-armstrong-doping-investigation-widens/story?id=13663557