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Revolution Health Radio

RHR: Shaking Up the Salt Myth

Revolution Health Radio

Chris Kresser

Health & Fitness, Alternative Health

4.71.7K Ratings

🗓️ 14 April 2026

⏱️ 21 minutes

🧾️ Download transcript

Summary

For decades, public health guidelines have warned that reducing sodium intake is essential for preventing high blood pressure and cardiovascular disease. But a closer look at the scientific evidence reveals a far more complex story. In this episode of Revolution Health Radio, Chris explores the history behind the low-sodium movement and examines the research that shaped modern dietary guidelines. From early animal studies to large international analyses, the data suggests sodium intake follows a J-shaped curve, where both very low and very high intakes may increase cardiovascular risk. Chris explains the essential role sodium plays in the body, how severe sodium restriction can activate hormonal stress responses, and why salt sensitivity, potassium intake, kidney function, and lifestyle factors are critical in determining the right approach.

The post RHR: Shaking Up the Salt Myth appeared first on Chris Kresser.

Transcript

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0:00.0

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0:14.0

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0:18.9

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1:02.3

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1:07.2

naturally from the inside out. Hey everybody, Chris Cressor here.

1:11.6

Welcome to another episode of Revolution Health Radio.

1:14.4

Today we're going to tackle something that almost every patient I saw in my years of clinical

1:19.2

practice have been told at some point, eat less salt.

1:23.0

If you've ever had a doctor hand you a low sodium handout or read a health headline in

1:27.0

the last 30 years, you've absorbed the message doctor hand you a low sodium handout or read a health headline in the last 30

1:27.7

years you've absorbed the message salt raises blood pressure high blood pressure causes heart

1:33.4

attacks and strokes therefore salt is dangerous the american heart association recommends

1:39.1

1,500 milligrams of sodium per day for most people a number number so low, it's genuinely difficult to achieve,

1:46.2

even when you're trying. I spent years digging into the scientific literature behind that

1:51.0

recommendation, the original research that launched the low salt movement in the 1970s, the major

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