Karl Sterling Podcast

Can the adult brain actually repair itself? On this episode of The Karl Sterling Podcast, I sit down with Dr. Dominic D’Agostino, one of the world’s leading researchers on ketogenic metabolism and exogenous ketones. We look at where metabolism, movement, and brain health meet.We dig into how ketones act as both fuel and signal for the brain. We discuss why combining ketones w...

What if most of how you age is up to you, and not your genes?

In this episode, Karl Sterling sits down with Dr. Michael Greger, M.D., FACLM. He’s a physician, the founder of NutritionFacts.org and the New York Times bestselling author of How Not to Die, How Not to Diet and his latest book, How Not to Age. Dr. Greger has spent his career making...

From the archives: my 2021 conversation with Joel Taylor, one of the most versatile and in-demand drummers in the world.Over a career of more than 40 years, Joel has toured and recorded with an incredible range of artists, from rock and pop to jazz, fusion, Latin and world music. He’s played with Allan Holdsworth, Al Di Meola, Andy Summers (The Police), Stanley Clarke, Joe Sa...

In Septmber of 2026, at the Sensory Intelligence Summit near Phoenix, a retired Marine opened the Sunday morning session and got the whole day started with real energy. I knew right away I wanted him on the podcast.My guest is Marc Rodriguez, a retired U.S. Marine Gunnery Sergeant with 21 years of service and the founder and CEO of Manifest Fitness Institute in Dallas, Texas....

In April, 2018, on my very first trip to Mexico, I met Dr. Cynthia López at a symposium in Monterrey. Since then she has earned her PhD, contributed a chapter on Parkinson’s nutrition to my books, and kept doing research where nutrition, health and technology meet. It was great to reconnect with her.In this episode we talk about why people keep eating foods they know are bad ...