Using Salt to Optimize Mental & Physical Performance

I discuss the role of salt (sodium) in the nervous system and the
key role that it plays in mental performance, physical performance
and health. I explain how the brain senses salt levels in our body
and how that relates to our feelings of thirst. I cover the
physiology of the renal system and the hormones that control sodium
and water balance in our body. I also explore how salt interacts
with stress and our immune systems and its crucial role in neuron
function. Additionally, I examine research findings suggesting that
some individuals might benefit from increased intake of sodium and
other electrolytes (magnesium and potassium) to enhance mental
performance, lessen anxiety, and offset dizziness. Yet, other
people may need less sodium. I discuss how you can determine your
optimal sodium intake and why sodium intake levels need to be
uniquely tailored to an individual’s lifestyle. Finally, I explain
how salt creates ‘hidden’ sugars in many processed foods and the
problems that can create. Throughout the episode, I explain
peer-reviewed findings outlining salt’s essential role in overall
health and describe general recommendations and tools anyone can
use to find their optimal salt balance and thereby enhance their
brain and body’s performance. For the full show notes, visit
hubermanlab.com. Thank you to our sponsors AG1:
https://athleticgreens.com/huberman LMNT:
https://drinklmnt.com/hubermanlab Waking Up:
https://wakingup.com/huberman Momentous:
https://livemomentous.com/huberman Timestamps (00:00:00) Role of
Salt  (00:02:57) Neuropod Cells, Artificial Sweeteners &
‘Hidden’ Cravings  (00:10:36) Sponsors: AG1, Thesis (00:15:06)
Salt Regulation  (00:17:13) How the Brain Senses Salt
(00:24:15) Salt & Thirst  (00:29:27) Blood Pressure &
Thirst  (00:33:47) Kidneys & Urine Regulation (00:39:08)
Vasopressin: Roles in Libido & Urination  (00:45:46) How
Much Salt Do You Need?  (00:56:45) Should You Increase Your
Salt Intake?  (01:02:19) Tools: Determining Your Individual
Salt Intake (01:14:02) Iodine, Sea Salt  (01:17:13) Salt:
Roles in Stress & Anxiety  (01:24:20) Other Electrolytes:
Magnesium & Potassium  (01:27:57) Tools: Effects of
Low-carbohydrate Diets & Caffeine  (01:32:28) General
Recommendations for Salt Intake  (01:36:34) Perception of Salt
& Sugar Taste, Processed Foods  (01:47:13) Role of Sodium
in Neuronal Function, Action Potentials  (01:53:13)
Dehydration  (01:55:36) What Salt Intake is Best for
You?  (02:00:58) Zero-Cost Support, YouTube Feedback, Spotify,
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