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Biogravitational Medicine & the Shocking Impact That Gravity Has on Our Health - With Dr. Brennan Spiegel

October 13, 2025
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The Model Health Show

Description

There are many unseen forces that impact the way our bodies operate in the world. Invisible factors like environmental forces and even ways of thinking can play a significant role in our health outcomes. But have you ever thought about how gravity influences your health?  

Today, you’re going to learn how gravity shapes the way you move, think, and feel. Dr. Brennan Spiegel is a physician and research scientist who studies the intersection of science, technology, and human health. His new book, Pull, presents the compelling science behind how gravity influences everything from our mental health to our digestion.  

In this interview, Dr. Spiegel is sharing the interesting and intimate relationship that humans have with gravity. We’re going to cover how gravity affects your mind, body, and emotions. Plus, you’re going to learn about some fascinating, science-backed ways to improve your relationship with gravity. I hope you enjoy this episode of The Model Health Show.  

In this episode you’ll discover: 

  • How the human body has evolved to manage gravity. (10:56)
  • The link between gravity and gut health. (11:18)
  • How the human microbiome evolved in relationship to gravity. (13:04)
  • Why serotonin is a gravity management substance. (14:21)
  • An example of how gravity can cause GI issues. (17:36)
  • The link between gut issues and low back pain. (21:04)
  • An analogy of our relationship to gravity. (23:32)
  • What happened during Dr. Spiegel’s gravity experiment. (26:08)
  • Why your cardiovascular system is an antigravity system. (28:34)
  • The connection between gravity and mental health. (31:01)
  • Why going on a rollercoaster makes your stomach drop. (31:25)
  • How your relationship with gravity influences your longevity. (37:29)
  • Specific exercises you can do to improve your relationship with gravity. (42:11)
  • The role of breathwork in leveraging gravity. (51:05) 
  • Why pushing yourself to get stronger is critical. (58:17)  

Items mentioned in this episode include: 

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 This episode of The Model Health Show is brought to you by LMNT and Organifi. Head to DrinkLMNT.com/model to claim a FREE sample pack of electrolytes with any purchase. Organifi makes nutrition easy and delicious for everyone. Take 20% off your order with the code MODEL at organifi.com/model