This week's show is with John Durant, author of "The Paleo Manifesto: Ancient Wisdom for Lifelong Health," which releases on September 17. John is one of the original "modern cavemen." He's been seen running around barefoot in NYC, and has been featured on The Colbert Report, NPR and in the New York Times. This show is a lot of fun, you don't want to miss it!

Lots of exciting things happening lately. I just returned from a wilderness survival trip out in Rocky Mountain National Park. It was a blast, and if there's one thing I recommend you take as an action step this week it's this: leave all your gadgetry at home, disconnect and get outside!

We've also started recording a fun new video series with Dave Asprey, from Bulletproofexec.com. We're going to be talking about a lot of fun things on that show. We don't even have a name for it yet, but you can look forward to that!

Last but not least, the CavemanFeast app is still kicking butt on the iTunes charts. We were even featured by Apple in the U.S. and Australia, plus a few other countries. So thank you all for the reviews and for downloading it, we seriously appreciate the support!

Alright, on the show. Today with John we talk about: