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

Question

Quizplus · Accepted Answer

Both blood transfusions and synthetic EPO use are now banned by the International Olympic Committee as they are common means to artificially alter the oxygen-carrying capacity of blood. Hypoxic training, on the other hand, is still allowed as it is a natural method of improving oxygen efficiency in the body through exposure to high altitude conditions.

What Common Means to Artificially Alter the Oxygen-Carrying Capacity of Blood