What common means to artificially alter the oxygen carrying capacity of blood are now banned by the International Olympic Committee?

Question

Quizplus · Accepted Answer

Blood transfusions and synthetic EPO use are banned by the International Olympic Committee as they are considered forms of blood doping. Hypoxic training, however, is a legal method used to enhance performance by simulating high-altitude conditions.

What Common Means to Artificially Alter the Oxygen Carrying Capacity