Lance Armstrong was banned from cycling after admitting to taking a substance that increased the production of red blood cells, and therefore the flow of oxygen to the muscles. Which substance causes this effect?

Question

Quizplus · Accepted Answer

Erythropoietin (EPO) is a hormone that stimulates the production of red blood cells in the body, leading to an increase in oxygen carrying capacity. This is why it is a popular performance-enhancing substance among cyclists and other endurance athletes. HGH and Adderall do not have the same effect on red blood cell production, while the use of cocaine is prohibited under a different set of rules in sports.

Lance Armstrong Was Banned from Cycling After Admitting to Taking