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Dr. Melissa Ilardo

05/26/25

@ Andrew Huberman

Cultural factors may explain why women are the primary divers in certain populations, possibly due to unique physiological traits that make them more tolerant of cold water.

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Behaviors That Alter Your Genes to Improve Your Health & Performance | Dr. Melissa Ilardo

@ Andrew Huberman

Behaviors That Alter Your Genes to Improve Your Health & Performance | Dr. Melissa Ilardo

05/26/25

Related Takeaways

Dr. Melissa Ilardo

05/26/25

@ Andrew Huberman

The ability to dive and hold breath has led to physiological adaptations in divers, such as larger spleens and improved oxygen utilization, which may also influence their cardiovascular health.

Dr. Melissa Ilardo

05/26/25

@ Andrew Huberman

Pregnant women divers may have a genetic adaptation that lowers their diastolic blood pressure while diving, potentially protecting them from hypertensive disorders during pregnancy.

Andrew Huberman

06/19/25

@ Andrew Huberman

When entering cold water, it's more comfortable to jump in all at once rather than gradually, as the body's cold receptors respond to relative temperature changes.

Dr. Melissa Ilardo

05/26/25

@ Andrew Huberman

The Bajau's diving skills may influence mate selection, as prowess in diving is associated with resource acquisition and reproductive success.

Dr. Melissa Ilardo

05/26/25

@ Andrew Huberman

The dive reflex, which slows heart rate and constricts blood vessels, is triggered by facial immersion in cold water, mimicking the physiological responses seen in diving.

Dr. Melissa Ilardo

05/26/25

@ Andrew Huberman

The Bajau people, known for their exceptional breath-hold diving abilities, have adapted physiologically to their lifestyle at sea, showcasing how behavior can shape human biology.

Dr. Melissa Ilardo

05/26/25

@ Andrew Huberman

Research indicates that the dive reflex is an evolutionary adaptation present in many mammals, suggesting a shared ancestral trait that enhances survival in aquatic environments.

Dr. Melissa Ilardo

05/26/25

@ Andrew Huberman

The Bajau people have adapted genetically to free diving, showcasing remarkable physiological traits that enhance their diving capabilities.

Dr. Melissa Ilardo

05/26/25

@ Andrew Huberman

The 'Henyo' are female divers from Jeju Island, Korea, averaging around 70 years old, who have been diving in extremely cold water without thermal protection for generations, shaping their population in unique ways.