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AH

Andrew Huberman

05/01/25

@ Andrew Huberman

Bitter receptors protect against poison by triggering the gag reflex when detecting bitter substances.

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AH

How Smell, Taste & Pheromones Shape Behavior | Huberman Lab Essentials

@ Andrew Huberman

How Smell, Taste & Pheromones Shape Behavior | Huberman Lab Essentials

05/01/25

Related Takeaways

AH

Andrew Huberman

05/01/25

@ Andrew Huberman

Sour receptors help detect spoiled or fermented food, which can be harmful.

AH

Andrew Huberman

06/05/25

@ Andrew Huberman

The area postrema in the brain stem detects harmful chemicals in the blood and triggers the vomiting reflex to protect the body from toxins.

AH

Andrew Huberman

06/05/25

@ Andrew Huberman

Vomiting is a biological response triggered by the brain when it detects harmful substances in the bloodstream, indicating a protective mechanism against toxins.

AH

Andrew Huberman

05/01/25

@ Andrew Huberman

Sweet receptors signal the presence of energy from sugars, while salty receptors detect electrolytes essential for bodily functions.

AH

Andrew Huberman

05/01/25

@ Andrew Huberman

Taste receptors on the tongue detect five primary tastes: sweet, salty, bitter, sour, and umami, with potential for a sixth receptor for fat.

JP

Jordan Peterson

12/30/24

@ Andrew Huberman

The gut has neurons that respond to nutrients, signaling the brain when essential amino acids are consumed, which is crucial for understanding hunger and satisfaction.

JP

Jordan Peterson

12/30/24

@ Andrew Huberman

The mouth learns taste associations, but it cannot learn nutrient content; the gut knows nutrient content, which is essential for regulating appetite and satisfaction.

AH

Andrew Huberman

06/05/25

@ Andrew Huberman

Neurons in the intestines, such as GLP1R neurons, detect stretch and nutrient presence, sending signals to the brain to regulate eating behavior based on gut status.

AH

Andrew Huberman

05/01/25

@ Andrew Huberman

The olfactory system triggers alertness through specific neurons that communicate with brain centers responsible for arousal.