What is carbon monoxide rebreathing and why is the entire Tour de France talking about it? Tadej Pogačar and Jonas Vingegaard insist it’s “nothing suspicious” and “just a simple test”, but others are less convinced
Carbon monoxide has been the talk of the Tour de France this week, the race’s biggest stars and teams fielding questions on a controversial ‘rebreathing’ technique used to test and optimise riders’ altitude training. However, given the health questions that inevitably follow an admission about inhaling a deadly gas such as carbon monoxide, plus the potential for the practice … Read more