Please consider subscribing to Heavy Duty College. This is a great place to learn more about the science and philosophy behind the Heavy Duty training method. The YouTube Channel: https://www.youtube.com/@HEAVYDUTYCOLLEGE Here is the YouTube channel's description: "The OFFICIAL YouTube page for MIKE MENTZER and HEAVY DUTY training To learn more about Mike Mentzer's life, legacy and teachings, please visit his official website at: www.mikementzer.org Shop at our online store: https://my-store-db843d.creator-spring.com DISCLAIMER: The information contained in these videos should NOT be used as a substitute for the advice of an appropriately qualified and licensed physician or other health care provider. The information provided here is for informational purposes only. Please check with a physician if you have health questions or concerns about exercise theories and protocols prior to engaging in them."