Dr. Diego Bohórquez: The Science of Your Gut Sense & the Gut-Brain Axis

Sweetness

The gut-brain axis plays a crucial role in our preference for sweet foods. Diego Bohórquez explains that even when the ability to taste sweetness is genetically removed, animals still prefer sugar over non-caloric sweeteners, indicating a deeper gut-based mechanism at work 1. He shares a personal story about a woman whose cravings changed dramatically after gastric bypass surgery, highlighting how altering the gut can reshape food preferences 2.

The animal invariably will go to sugar. If they have never seen sugar, it will take them a little bit more time. But regularly, by the second day, is within 90 seconds that they detect what is sugar.

--- Diego Bohórquez

This underscores the powerful influence of the gut on our cravings and dietary choices.

   

Protein

Our need for protein significantly shapes our food choices, driven by the gut-brain axis. Andrew Huberman and Diego discuss how the gut evaluates the protein content in food, influencing whether we continue to eat it or avoid it 3. Diego notes that protein is the most satiating macronutrient, and our agricultural practices have evolved to ensure we get a balanced intake of proteins, carbohydrates, and fibers 4.

If the protein is low, the animal consumes more of the diet because it's trying to compensate for the lack of protein.

--- Diego Bohórquez

This interaction highlights the gut's role in guiding our nutritional needs and preferences.

   

Fat & Fiber

Fats and fibers also play a critical role in our dietary behavior through gut-brain interactions. Diego Bohórquez explains that fiber can trigger the gut microbiome to synthesize essential amino acids, compensating for the lack of animal protein in vegetarian diets 5. He also describes the morning rituals of indigenous communities, where a combination of guayusa and Chonta palm provides energy and satiety, demonstrating the practical application of these principles 6.

The fiber itself can trigger the gut microbiome to synthesize the essential amino acids that ordinarily would come from meat.

--- Diego Bohórquez

These insights reveal the sophisticated ways our gut manages nutrient intake and influences our eating habits.