VOICED : Alps tests to see if altitude can boost athletes' performance

The video explores whether living at high altitude can enhance athletic performance as a legal alternative to doping. Norwegian athletes undergo altitude training in the French Alps to increase red blood cell production, potentially improving endurance. The experiment includes a control group at lower altitudes, with regular medical checkups and blood samples. While some researchers are skeptical about significant performance gains, the athletes will be tested upon returning to Norway to determine the effectiveness of altitude training.

What are some of the controversies surrounding altitude training according to the text?

What kind of tests will the athletes undergo after their month of training at high altitude?