Reports blood samples retested from the 1999 race clearly show proof of blood doping that calendar year, but Armstrong all over again denies the allegations. This increases the oxygen-carrying ability while in the blood, enabling the cardiovascular program to more proficiently transport oxygen into the muscles, avoiding lactic acid buildup. https://lancearmstrongdoping90007.isblog.net/the-lance-armstrong-doping-diaries-52181950