Most people learn about ancestral health through books and blogs, which makes sense—Primal folks tend to be big readers, and the complexity and depth and constant evolution of the knowledge almost requires the written word for proper transmission. But a well-produced, beautiful film with great content has a unique effect on viewers. The combination of video and audio are more convincing than prose to our lizard brains, making documentaries a great vehicle for the introduction of a radically new idea. Skilled creators in the paleo space have taken note, producing some excellent ancestral health documentaries. (This Mark's Daily Apple article was written by Mark Sisson, and is narrated by Tina Leaman)