Why should you grow your own fruits and vegetables and actually work with dirt? Ask a green thumb how they feel about gardening, and they will tell you it's a mood elevator. In the Blue Zones, regions of the world where people live longer and healthier, outdoorsy lifestyle with moderate physical activity is credited for their less stressed and longer life.

Now according to Dr. Joel Fuhrman, we're intrinsically tied to the health of the planet. And that helps explain why we enjoy nature, reconnecting with the earth, and, well, growing plants.

On this episode, Dr. Fuhrman and his daughter Jenna talk about the many benefits of gardening, how our health relates to the health of the soil, and more.