Nick Tiller Research is a fellow at the Lundquist Institute at Harbor-UCLA where he studies clinical respiratory and exercise physiology, and the physiology/pathophysiology of ultra-endurance exercise. He is also a columnist at Skeptical Inquirer Magazine, and the author of 'The Skeptic's Guide to Sports Science'Skeptical Inquirer MagazineNick’s book Buy Koop’s new book on Amazon or AudibleInformation on coaching-www.trainright.comKoop’s Social MediaTwitter/Instagram- @jasonkoop