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0In this Huberman Lab Essentials episode, I explain how salt (sodium) affects mental and physical performance, as well as cellular health. I describe how the brain monitors sodium levels to regulate thirst and fluid balance, and why salt needs can vary depending on activity level, stress, blood pressure, and diet. I also explain how to determine the right sodium intake for your individual needs and discuss why some people may benefit from increasing salt and other electrolytes.
Read the episode show notes at hubermanlab.com.
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Timestamps
(00:00:00) Salt
(00:00:37) Brain & Monitoring Salt
(00:02:33) Thirst, Osmotic Thirst & Salt
(00:05:35) Hypovolemic Thirst & Blood Pressure
(00:06:59) Sponsor: Function
(00:08:39) Fluid Balance, Kidney & Urine Regulation
(00:11:53) How Much Salt Do You Need?, Blood Pressure, Dizziness & Postural Syndromes
(00:17:29) Replenish Salt for Performance, Tool: Galpin Equation & Exercise
(00:19:15) Sponsor: LMNT
(00:20:46) Stress & Craving Salt
(00:22:29) Electrolytes: Magnesium & Potassium; Low Carbohydrate Diet
(00:25:19) Salt & Sweet Taste, Sugar Cravings, Processed Foods
(00:29:37) Finding Your Ideal Salt Intake, Tool: Unprocessed Food Diet
(00:31:25) Sponsor: AG1
(00:32:50) Neurons, Salt & Action Potentials; Ingesting Too Much Water
(00:34:51) Recap & Key Takeaways
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