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OTB, I am sure you didn't mean to come off as callous, but it just seems counterproductive to hurl your opinion in a condescending way without even asking for an explanation.
Whenever salt was consumed by humans over the thousands of years we have known the substance, it always contained a large set of minerals, usually around 80 or so. These minerals are all vital to our health, as they are absolutely required by our cells to make more cells and operate efficiently. These days, mineral deficiencies are rampant, so quality salt is a good addition to any diet.
Modern salt took these minerals and refined them such that all that was left was sodium chloride. The overabundance of sodium chloride has been a terrible thing in the Western diet, strongly correlating with high blood pressure and thus a number of health problems.
I mentioned Celtic and Himalayan salts because they are examples of widely available quality salts.
I know that I come off sounding calloused; it's because I can't stand bad science. And there is so much of it here. Voodoo nutrition religion.
All the minerals in natural salts don't amount to squat diddly in the amounts needed for our bodies. To use salt as a mineral source would result in huge consumption of the primary ingredient, sodium chloride and we all know what happens if that is done.
So I tried some internet research on this mater, and I found out the Celtic (registered tradename, nothing to do with waters of origin) has CHARGED minerals. Gimme a break. How does a product uniquely have CHARGED minerals, especially if it is sea salt, which presumably comes from the same seas as all sea salt?
Himalayan salt is mined salt, just like the commercial stuff out of Louisiana, for instance. Granted, not "refined", but not sea salt, either. I guess it's better because it comes a long way....
If added salt were a macronutrient, sure, go for it. Can't hurt, might help. But since we shouldn't even be consuming it (like milk), why get into this minutia?
Per the original question, sea salt has no magic for electrolyte replacement. And in fact, it sucks for potassium, which is one of the two critical minerals excreted during hard exercise.
Oh, and I guess I missed the news about moderns having mineral deficiencies. And salt is going to correct this alleged catastrophe? I think not.
So, I wondered this, why are we so iodine deficient?
I know that's why they put it in table salt way back when and now, as you say grandma, a lot of the US is now having goiter issues (which we haven't seen since before the intial introduction of iodine in table salt).
What foods are we missing so much that causes this issue? I don't use table salt, but I use sea salt, so I'm not getting the iodine either.
Hmmmm......the last time I saw a goiter I was a kid. And that was a LONG time ago. I'd be suspicious of a sweeping claim that we are iodine deficient, especially the way Americans salt up.
If you want over to wikipedia, it is explained that certain areas don't have enough iodine in the soil, hence in their food. Of course, few of us eat THAT locally, which was probably the case when salt started being iodized.
My multi-vites have iodine, so I don't care one way or the other.
The way I understand it. Particularly in the mid-west the soils are low in iodine so it can become deficient in the diet. That is why iodized salt came about, but since CW has shunned table salt and romanticized sea salt or replaces it with potassium chloride or simply put away the shaker, some of us are becoming deficient again. I find it a little hard to take because don't they tell us that we eat way too much salt in processed foods? Do factories not use iodized salt?
Regardless, Dr. Davis says he sees it in his patients (he's in Wisconsin I believe). Low thyroid function leads to heart issues in addition to goiters, so he recommends iodine to his patients.
I am a little confused about the sea salt question, since the solution to iodine deficiency is to eat foods from the sea. Perhaps it does not persist in the salts. Maybe a chemist can tell us more about how iodine compounds work. Iodine is found in fruits de mer. Kelp, seaweed and ocean fish.
I did find a reference on the Celtic Sea Salt .com page that lists iodine content as .000045% (although the title of the table says in micrograms.. go figure), so if I go with that percentage 1/4teaspoon (way more than a pinch) contains .5mcg of iodine way short of the USRDA of 150mcg.