0 a way of cheating in sports by putting blood with extra oxygen into the body before a race or competition :
Five of the top international marathons took a strong stance against blood doping.
The attorney has handled blood doping cases with several athletes.
Hamilton worked with him until his positive doping test for blood doping.
Hamilton's initial blood sample tested positive for blood doping, but the lab mistakenly froze the backup sample, rendering it unsuitable for the required second test.
Ricc later denied blood doping, but also stated that he was finished with the sport and that he wanted to train to become a barista.
During the interview he detailed blood doping as well as the various performance enhancing drugs he used while on the team.
Many athletes train at high altitude to take advantage of this effect -- a legal form of blood doping.