Today, Dr. Zach Bush talks with Kathy about gut health: What is a healthy gut and how can it help us lose weight? Also, Dr. Bush talks about how to boost your immune system, enhance mental clarity, and slow biological aging. 

For complete show notes, visit www.kathysmith.com/podcast.

Remember when you were a kid and you'd drop some food on the ground and then you'd pick it up and eat it without a thought? Well, what if I told you that eating that "dirty" piece of food might have actually been good for you?

Today's guest is Dr. Josh Axe. He's the author of Eat Dirt, a book all about curing leaky gut. For more information on Dr. Axe, visit his wonderful website, www.draxe.com. 

For complete show notes and other goodies, please visit www.kathysmith.com/podcast.

With all of our modern comforts, it seems that we've lost the ability to experience DIScomfort. Well, Dr. Marc Schoen, author and assistant professor of medicine at UCLA, has some tips and tricks to help us conquer discomfort and make us the master of whatever situation we find ourselves in.

For complete show notes, visit www.kathysmith.com/podcasts. 

Kathy welcomes Mark Sisson, the author of the best-selling The Primal Blueprint. Mark and Kathy talk about his transition from being an endurance "cardio junkie" to something more balanced. Along the way, they discuss some of what Mark has tried out and what he's doing to help extend his life as long as possible! (You'll want to stick around for that.)

Mark sure to check out Mark's blog, Mark's Daily Apple.

For complete show notes, visit www.kathysmith.com/podcast.