A 22-Year-Old Athlete and a Form Nobody Would...

A Halloween story about a man who does every wellness protocol, then an honest grading of each one. Dr. Jordan Feigenbaum tells the story of Dale Mercer, Unit 4471, who lives through a fully optimized Sunday in the year 2049: morning light panels, cold plunges, a 31-capsule suppl ...  Show more

How much cardio should you do, and does more of it ever become harmful? Cardiorespiratory fitness keeps improving with training load and nobody has found a ceiling. Getting fitter keeps lowering mortality risk as far out as anyone has measured. The one dose dependent harm that su ...  Show more

Today I’m speaking with Dr. Stacy Sims, a leading expert in exercise physiology and nutrition science, to delve into the unique physiological differences between men and women. In this episode, we explore how the menstrual cycle impacts women’s training and performance, and th ...

In today's episode, I had the chance to speak to muscle physiology researcher and science communicator Dr. Lauren Colenso-Semple. Together, we unpack the common claims around hormones and training—from whether you should change your workouts based on your cycle, to the real effec ...  Show more

In this episode, my guest is Dr. Stacy Sims, Ph.D., an exercise physiologist, nutrition scientist, and expert in female-specific nutrition and training for health, performance, and longevity. We discuss which exercise and nutrition protocols are ideal for women based on their age ...  Show more