Change Your Breath, Change Your Life:

Change Your Breath, Change Your Life: The Daily Routine Athletes LoveDoes an enigmatic ­European have the secret to ultimate performance? Laird Hamilton and Tim Ferris think so—and research backs them up. A growing number of athletes—from Laird Hamilton and his wife, Gabby Reece, to CrossFit coach Brian Mackenzie and biohacker Tim Ferris—who have begun using the breathing exercises of adventurer Wim Hof as a way to achieve peak physical performance. -Outside Magazine.