The book is The Oxygen Advantage by Patrick McKeown

Listen to Episode 49 for the first time I mentioned "taping mouth".

Google the Tarahumara, the Mexican ultra-running tribe.

Article on happier Third World kids.

To get super-low, early-bird pricing on The Einstein Blueprint or 10X Homeschooling, email [email protected]

To see the list of the 111 books I read in 2016 - Click Here.

Music - "Everything in Color" by Ben Cantelon, used with permission and much gratitude.