Is ultra running bad for you? Interview with leading exercise scientist Nick Tiller

Author Adharanand Finn speaks to Nick Tiller, exercise scientist at Harbor-UCLA and author of The Skeptics Guide to Sports Science. They examine the value of scientific consensus, the power of the placebo, and take a deep dive into running trends such as nasal breathing, barefoot running, paleo diets and ice baths. Nick also answers the question: is ultra running bad for you? Music by Starfrosch