In this episode of the Space Madness podcast, host Jeff Nosanov speaks with Dr. Octav Cristea, an Emory University transplant surgeon and urologist with a research focus on space medicine. They discuss the complexities of human health in space, particularly focusing on kidney stones and urinary issues that arise in microgravity. Dr. Cristea shares insights from his journey into space medicine, the physiological challenges astronauts face, and the future of medical practices in space exploration.