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Recent studies have, in fact, shown that dietary salt has a significant effect on blood pressure for many people, and on endothelial function for everyone.

https://nutritionfacts.org/video/sodium-and-arterial-functio...

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"My doctor" (scare quotes included free of charge) says that it's only really important for people who are hypersensitive to sodium.

I didn't ask if there was a test for that, though. So you know, take it with a - I'm so sorry I can't help it - grain of salt.

I read the transcript, and this describes a temporary affect. There are better studies on the long term effect that say the effect of salt is very low on long term health outcomes.

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