So they stimulate the Vagus nerve, exercise them to exhaustion and measure vo2 peak during the exercise. Done for 7 days. Would be interesting to see the effe

So they stimulate the Vagus nerve, exercise them to exhaustion and measure vo2 peak during the exercise. Done for 7 days. Would be interesting to see the effect on athletes, you would expect no effect on them, but if there's any benefit people will try it to get any performance gain.