Essentials: Using Salt to Optimize Mental & Physical Performance

Mar 26, 2026 · 39 min · YouTube

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EP · Huberman Lab · Essentials: Using Salt to Optimize Mental & Physical Performance38:44

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asr · 6,589 words · docs

0:00Welcome to Huberman Lab Essentials, where we revisit past episodes for the most potent and actionable science-based tools for mental health, physical health, and performance.

0:11I'm Andrew Huberman, and I'm a professor of neurobiology and ophthalmology at Stanford School of Medicine.

0:17Today we are going to discuss salt, also referred to as sodium.

0:21Salt has many, many important functions in the brain and body.

0:24For instance, it regulates fluid balance, how much fluid you desire and how much fluid you excrete.

0:31Salt also regulates your appetite for other nutrients, things like sugar, things like carbohydrates.

0:37We all harbor small sets of neurons.

0:40We call these sets of neurons nuclei, meaning little clusters of neurons, that sense the levels of salt in our brain and body.

0:49There are a couple brain regions that do this, and these brain regions are very, very special.

0:54Special because they lack biological fences around them that other brain areas have.

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