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How to Optimize Your Brain-Body Function & Health

Episode 30 Jul 26, 2021 1h 49m 18 insights
This episode I describe how the organs of the body influence the function and health of our brain and how our brain controls our bodily organs. The conscious awareness of this brain-body dialogue is called interoception. I describe how two factors- mechanical forces (e.g., pressure, pain, volume, etc.) and chemical factors (e.g., gut acidity, microbiome diversity, etc.) combine to influence our moods, control inflammation, immune system, recovery from injury and more. I explain how specific actions of our lungs, heart, spleen, and diaphragm, control our brain via the vagus nerve and other neural pathways. I describe 11 science-supported protocols for enhancing brain-body health and the logic behind them. Read the full show notes for this episode at hubermanlab.com.
Actionable Insights

1. Consume Fermented Foods Daily

Ingest 1-2 servings of fermented foods (e.g., sauerkraut, kimchi) daily, potentially increasing to 3-4 servings, to significantly improve gut microbiome diversity, reduce inflammatory markers, enhance cognition, sleep, infection resistance, wound healing, and positively adjust autoimmune symptoms.

2. Practice Sensing Your Heartbeat

To enhance interoceptive awareness and strengthen vagal connections, take 1-2 minutes periodically to consciously perceive your heartbeat. This practice quickly improves your ability to sense your internal state, influencing mood, focus, and interactions with others.

3. Prioritize Nasal Breathing

Emphasize nasal breathing most of the time, especially during sleep, and refrain from mouth breathing. This improves the nasal microbiome, creating an additional layer of immune defense against infections.

4. Maintain Gut Acidity for Health

Ensure your gut maintains a proper acidic pH, as bacteria thrive in alkaline conditions. This proper gut chemistry is crucial for a healthy, well-functioning brain and body, and for populating the gut with beneficial microbiota.

5. Prioritize Stress Management

Actively manage stress, as it disrupts gut-brain communication by shutting down the vagus nerve and quieting gut neurons. This disruption leads to poor digestion, negative feelings, and altered gut chemistry.

6. Use Physiological Sigh to Calm

To quickly calm down, perform a physiological sigh: two inhales (ideally through the nose) followed by a long exhale. This maximally fills the lungs and expels carbon dioxide, slowing the heart rate and promoting calmness.

7. Increase Alertness with Breathing

To increase alertness, take deep or vigorous inhales followed by shorter or less vigorous exhales. Repeating this 2-3 times can make you feel more alert, and 25-30 repetitions can significantly increase adrenaline and wakefulness.

8. Wim Hof-style Breathing for Calm

While sitting or lying down (never near water), take 25-30 vigorous inhales (e.g., nose) followed by passive exhales (e.g., mouth). After the last exhale, expel all air and hold your breath for 15-30 seconds to shift blood chemistry, leading to alert calmness and positively impacting immune function and inflammation.

9. Develop Awareness of Gut Fullness

Take 10-20 seconds to consciously sense the fullness or emptiness of your gut at various times. This awareness helps you override signals from stretch receptors, allowing better control over eating impulses, especially during practices like intermittent fasting.

10. Curb Sugar Cravings Naturally

To reduce sugar cravings, replace sugary foods with those high in omega-3 fatty acids or amino acids. Ingesting a teaspoon of glutamine, optionally mixed with full-fat cream, can make sugar cravings disappear by signaling nutrient presence to gut neurons.

11. Cool Specific Body Areas

If overheated or experiencing a high fever (e.g., 102-104°F), avoid cooling the neck, as this can cause the brain to increase body temperature further. Instead, cool the bottoms of the feet, palms of the hands, and the upper part of the face.

12. Ensure Proper Electrolyte Intake

Consume an electrolyte drink with sodium, magnesium, and potassium in correct ratios, without sugar, to maintain proper hydration. This is critical for optimal brain and body function, as dehydration and electrolyte imbalance diminish cognitive and physical performance.

13. Practice NSDR or Yoga Nidra

Utilize Non-Sleep Deep Rest (NSDR) or Yoga Nidra protocols, even for short 10-minute sessions, to significantly restore cognitive and physical energy.

14. Explore Betaine HCL Pepsin

If experiencing food allergies, mood, or autoimmune issues linked to gut pH or microbiota, consider supplementing with betaine HCL pepsin tablets during meals. Start with 1-2 tablets and adjust to a comfortable level, but consult a healthcare provider first.

15. Alleviate Nausea with Remedies

To reduce nausea, ingest 1-3 grams of ginger (pill, capsule, or fresh), or use peppermint. Cannabis (THC and/or CBD), where legal and appropriate, has also been shown to reduce nausea.

16. Practice Box Breathing for Balance

To achieve a state of alert calmness, practice box breathing: inhale for 2-3 seconds, hold for 2-3 seconds, exhale for 2-3 seconds, and hold for 2-3 seconds. This equal duration breathing pattern helps regulate brain state.

17. Prioritize Microbiota Diversity

Be aware that excessive supplementation with probiotics or prebiotics can sometimes lead to brain fog. The goal for gut health is to increase microbiota diversity, not just the sheer number of microbes.

18. Supplement with Athletic Greens

Take Athletic Greens daily to cover basic nutritional needs, address deficiencies, and support microbiome health with probiotics. Supplement with Vitamin D3K2, as D3 is essential for brain and body health, and K2 regulates cardiovascular function and calcium.