Skip to content
The Gravity Doctors podcast artwork

PODCAST · health

The Gravity Doctors

by Lachlan Kent

Dr Brennan Spiegel and Dr Lachlan Kent introduce you to the world of Biogravitational Medicine, how gravity shapes our bodies and minds for better or worse. Explore the principles of gravity management, how you can improve your gravity resilience, and what to do when gravity fails you and your body. Dr Spiegel is a trained M.D., professor of public health at Cedars-Sinai hospital in LA, and author of the book 'Pull - How gravity shapes your body, steadies the mind, and guides our health'. Dr Kent is a cognitive scientist with a PhD in the psychology of 'mental gravity'.

Publisher-supplied feed metadata · PodParley refreshed Jun 12, 2026 · Source feed

Episodes

  1. Looking Back on the Future of Biogravitational Medicine

    In this reflective "backyard" session in Los Angeles, Brennan and his co-host discuss the current state of BiogravitationalMedicine (BGM) and the Mental Gravity theory. They explore the challenges of introducing a physics-based framework into the traditional silos of medicine and psychology, the...

  2. Beyond the Bed: How Getting Up is the Path to Quicker Recovery

    In this episode, we dive into the surprising science of "gravity intolerance" and why lying in bed might be one of the worst things you can do for your recovery. Whether you're dealing with a common flu, recovering from major surgery, or managing a long-term illness, the simple act of...

  3. Artemis: Transcending gravity as human flourishing

    In this episode, Dr. Brennan Spiegel (physician, gastroenterologist, and author of Pull) and Dr. Lachlan Kent(cognitive scientist and founder of Mental Gravity) explore the physical, psychological, and existential implications of humanity's return to the moon. They examine how the Artemis mission...

  4. Kurt Cobain and the Gravity of Child Development with Dr Mats Niklasson

    Dr Lachlan Kent is joined by Dr Mats Niklasson, developmental psychologist, visiting Research Fellow at the University of Greater Manchester, and co-founder of Sensorimotor Therapy, to explore how early vestibular development shapes both physical coordination and the narrative sense of self....

  5. All loved "UP" on Valentines Day: Gravity and cuffing season

    Dr Brennan Spiegel (physician, gastroenterologist, and author of Pull) and Dr Lachlan Kent (cognitive scientist and founder of Mental Gravity) explore how seasons, sunlight, serotonin, and gravity shape mood, attraction, and human connection. Broadcasting from opposite hemispheres—Brennan in…

    more
  6. How the Brain Senses Gravity — with Elisa Ferrè

    Dr Lachlan Kent and Dr Brennan Spiegel are joined by Elisa R. Ferrè, professor of cognitive neuroscience at Birkbeck, University of London, and one of the world’s leading experts on graviception and the vestibular system. Together, they explore how the brain senses gravity without a single…

    more
  7. EMERGENCY EPISODE: Alex honnold’s incredible gravity-defying climb

    Dr Brennan Spiegel (physician, gastroenterologist, and author of Pull) and Dr Lachlan Kent (cognitive scientist and founder of Mental Gravity) drop an emergency episode to unpack one of the most extreme acts of gravity defiance ever witnessed: Alex Honnold climbing a 100-plus-storey skyscraper...

  8. Defying Gravity: The Olympics and the Limits of Human Performance - Ep 9

    How do elite athletes use body, mind, joy, and meaning to push beyond physical limits? Dr Brennan Spiegel (physician, gastroenterologist, and author of Pull) and Dr Lachlan Kent (cognitive scientist and founder of Mental Gravity) explore theOlympics as humanity’s greatest laboratory for defying...

  9. Serotonin: The Body’s Anti-Gravity Molecule - Ep 8

    Dr Brennan Spiegel (physician, gastroenterologist, and author of Pull) and Dr Lachlan Kent (cognitive scientist and founder of Mental Gravity) explore serotonin as a gravity-management molecule, reframing it not simply as a “happiness chemical,” but as a fundamental biological system that allows...

  10. Brennan's antigravity diet - Boost your serotonin with STACK TEN Ep 7

    Dr Brennan Spiegel (physician, gastroenterologist, and author of Pull) and Dr Lachlan Kent (cognitive scientist and founder of Mental Gravity) explore how diet, microbiome diversity, and serotonin production shape your capacity to stand up to gravity—physically and mentally. They introduce the...

  11. What's your Gravitype? Take the quiz to find out Ep 6

    In this episode, Dr Brennan Spiegel (physician, gastroenterologist, and author of Pull) and Dr Lachlan Kent (cognitive scientist and founder of Mental Gravity) dive deep into gravity resilience and introduce listeners to the new Gravitype Quiz—a wellness tool that blends biomechanics…

    more
  12. Mental Gravity: The hidden force shaping your mind and emotions - Ep 5

    Dr. Brennan Spiegel (Cedars-Sinai) and Dr. Lachlan Kent explore how gravity shapes not only our bodies but our minds. Through the lens of Cathy Freeman’s gold-medal run, they discuss mental gravity — the feeling of emotional “weight” and lightness that defines human experience. From Einstein’s...

  13. Harnessing gravity to overcome chronic illness w/ Harmon Clarke - Ep 4

    In this uplifting and deeply human episode of The Gravity Doctors, Dr. Brennan Spiegel (Cedars-Sinai gastroenterologist and author of PULL) and Dr. Lachlan Kent (cognitive scientist and theorist of Mental Gravity) sit down with Harmon Clarke, a patient-turned-researcher whose remarkable recovery...

  14. Top 10 Gravity Tips - Ep 3

    Biogravitational Medicine is a holistic approach to maintaining health in both body and mind. It's like a toolkit where you can find what works for you and your particular situation. Here are our top ten that work for most people most of the time. (As always, consult a doctor for personalised...

  15. 'Pull' book preview - Ep 2

    Dr Spiegel has written a book about gravitational health called 'Pull' on the wide ranging themes underpinning this podcast - gut health, mental gravity, serotonin, the inner ear, the body's pumps and tubes, the gravitostat, and many more. The hosts take a tour through the world of…

    more
  16. Gut Feelings: The gravitational roots of the mind-body connection - Ep 1

    You know the feeling you get in your belly when falling on a rollercoaster? Ever wondered why we get similar gut feelings when we're "falling" in love? In this episode, Brennan (a gastroenterologist) and Lachlan (a cognitive scientist) talk about how gravity shapes gastrointestinal function and...

Type above to search every episode's transcript for a word or phrase. Matches are scoped to this podcast.

Searching…

We're indexing this podcast's transcripts for the first time — this can take a minute or two. We'll show results as soon as they're ready.

No matches for "" in this podcast's transcripts.

Showing of matches

No topics indexed yet for this podcast.

Loading reviews...

ABOUT THIS SHOW

Dr Brennan Spiegel and Dr Lachlan Kent introduce you to the world of Biogravitational Medicine, how gravity shapes our bodies and minds for better or worse. Explore the principles of gravity management, how you can improve your gravity resilience, and what to do when gravity fails you and your body. Dr Spiegel is a trained M.D., professor of public health at Cedars-Sinai hospital in LA, and author of the book 'Pull - How gravity shapes your body, steadies the mind, and guides our health'. Dr Kent is a cognitive scientist with a PhD in the psychology of 'mental gravity'.

HOSTED BY

Lachlan Kent

CATEGORIES

Frequently Asked Questions

How many episodes does The Gravity Doctors have?

The Gravity Doctors currently has 16 episodes available on PodParley. New episodes are automatically indexed when they're published to the podcast feed.

What is The Gravity Doctors about?

Dr Brennan Spiegel and Dr Lachlan Kent introduce you to the world of Biogravitational Medicine, how gravity shapes our bodies and minds for better or worse. Explore the principles of gravity management, how you can improve your gravity resilience, and what to do when gravity fails you and your...

How often does The Gravity Doctors release new episodes?

The Gravity Doctors has 16 episodes. Check the episode list to see recent publication dates and frequency.

Where can I listen to The Gravity Doctors?

You can listen to The Gravity Doctors on PodParley by clicking any episode. We provide an embedded audio player for direct listening, and you can also subscribe via your preferred podcast app using the RSS feed.

Who hosts The Gravity Doctors?

The Gravity Doctors is created and hosted by Lachlan Kent.
URL copied to clipboard!