Is nasal breathing the secret to boosting endurance performance? Spoiler: No. But...a different form of breath training may help. A deep dive into the science of breathing for performance. Check it out on my YouTube: @ SteveMagness https://www.youtube.com/watch?v=4Fm8SARwm10&lc=UgxffeaMV2nB3grxcoF4AaABAg