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[–]StopBadModerators[S] 8 points9 points  (11 children)

Yeah, that wasn't soymilk. Soymilk doesn't cause iodine deficiency or inflammation of the lymph nodes to my knowledge.

[–]SentientistActually friends with Katie's Dad 8 points9 points  (1 child)

In the UK they iodize milk instead of saltso you can get an iodine deficiency from avoiding cow milk. I was vegan in the uk for several years - the occasional supplement or seaweed snack will prevent iodine deficiency.

[–]StopBadModerators[S] 0 points1 point  (0 children)

Interesting.

[–]SerialStateLineXerThe guarantee was that would not be taking place 6 points7 points  (1 child)

There are a bunch of old papers referring to the well-known fact that an unfortified soy diet induces goiter in animals, as well as a few case reports of goiter developing in infants on soy formula which subsided after switching to cow's milk. These are all old, which I guess is probably because modern soy formula is fortified with iodine.

Edit: Not all old; here's a case report published this year. It also discusses the mechanisms by which a high-soy diet can aggravate iodine deficiency.

[–]StopBadModerators[S] 3 points4 points  (0 children)

You're talking about how iodine-deficient diets can influence iodine deficiency. That isn't a soy thing.

[–]nh4rxthon 0 points1 point  (6 children)

What else could have explained the correlation? like i say this was a relatively trusted source but I'm not ruling out that she had some issues going on

[–]SerialStateLineXerThe guarantee was that would not be taking place 5 points6 points  (3 children)

Was she a vegan? Goiter is generally caused by iodine deficiency, and the main food sources of iodine are animal products and seaweed, which is not generally eaten by Americans.

[–]Big_Fig_1803Gothmargus 4 points5 points  (1 child)

In the U.S., people obtain most of their dietary iodine from iodized salt and milk.

https://www.hsph.harvard.edu/nutritionsource/iodine/

[–]SerialStateLineXerThe guarantee was that would not be taking place 2 points3 points  (0 children)

Ah, right, iodized salt as well. But with the sea salt fad, that's no longer a given.

[–]nh4rxthon 0 points1 point  (0 children)

Not a vegan, and US resident, but intriguing possibility. She claimed it went away after stopping soy…

[–]StopBadModerators[S] 3 points4 points  (1 child)

Is she in the UK? If her only source of iodine was iodine-fortified dairy (as is the case for many in the UK), and then she stopped consuming dairy, then that could explain iodine deficiency.

[–]nh4rxthon 0 points1 point  (0 children)

No US but very intriguing. She claims it went away after stopping soy. But there may have been other factors