Approximately 85% of individuals over 50 have detectable microcrystals of oxalate in their thyroid glands, suggesting the modern diet is too high in oxalate.

“something like 85 of us if we're over age 50 have frank micro crystals of oxalate these are the ones you can see in a microscope okay they've gotten big enough that you can find them 85 what that has to mean is that the modern diet is way too high in oxalate this is not this is pathology this is a big problem when you see pathology in 85 people should be concerned about it and for some reason we're not and there's this this autopsy series that i'll put here oxalate in the human thyroid gland 97 fixed surgical thyroid specimens were looked at for oxalate content and they were everywhere they were all like the majority of them were full of oxalates just scary stuff”