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Comment by batter | Hacker News Reader

Believe me or not but if you have tooth sensitivity i would check sodium balance. Especially if you urinate frequently. This can ruin your teeth for long time. Yoga wheel for upper back can help.

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Your body maintains your sodium levels in a very tight band. Why? Your nerves won’t function otherwise. If it gets outside that range you typically die.

So I’ll have to say I’m highly skeptical about “checking your sodium balance”.

From this study: https://www.health.harvard.edu/blog/good-heart-keep-holding-... we can see that low sodium impacts heart desease, even though your body controls it in tight range. I do agree that most probably your sodium level in blood will be in tight range. But I'm other places like saliva it could be deficient. Saliva PH strips would be a good start

Can you talk more about this? How do you check your sodium balance? I'm intrigued (and have tooth sensitivity). Thank you!

I'm not sure what's happening. Couldn't find any related studies. But i have seen in couple friends already if you have teeth sensitivity and teeth that go bad frequently you might have problem with upper back. This leads to too much urination. Especially if you don't drink a lot. Kidneys need sodium for functioning. I can only speculate that kidneys for some reason are forced to lose sodium with urine and as result you'll have tooth sensitivity or even heart problems. My observation showed that upper back backward bend helps to eliminate that. And this might be the result of bad posture. But definitely i don't have good understanding what's happening, because I'm not a doc. Just try to bend like for gymnastics bridge (yoga wheel can help or sturdy park bench) and see yourself. It will take just couple days to show results,

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