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Re:Study of the effect of Vitamin D, Magnesium and Vitamin B... by thorwasdfasdf on Tuesday June 02, 2020 @12:38PM (#23392981)
Absolutely. The Western diet primarily has very little variety in it. 55% of our diet comes from boxes/processed food which is almost entirely made up of only 3 things: Oil, Processed flour, sugar, and maybe some dairy. The vast majority of our diet is: meat, dairy, oil, sugar and flour. Oil and Sugar have 0 nutrients. Highly processed flour has little nutrients, but it does have some: the problem it's super deficient in potassium, magnesium and iron.

So, the same eating pattern gets exploited day in day out and people end up deficient in the things you mentioned, plus potassium.

Re:Study of the effect of Vitamin D, Magnesium and Vitamin B... by WillDaSilva on Tuesday June 02, 2020 @01:24PM (#23393547)
I think you're confused about the meaning of "nutrient". Oils, or more generally fats/lipids, are macronutrients[1], as is the case with sugar and "highly processed flour". A diet with a variety of different foods (whether they come in boxes or are "processed" is irrelevant in general) and a good balance of macronutrients and micronutrients is healthy.

I'd say the largest public health issue related to this is that most people eat an overabundance of carbs. The next most important is that people don't eat a large enough variety of foods (or supplements) to get sufficient micronutrients.

[1]: https://en.wikipedia.org/wiki/Nutrient

Re:Study of the effect of Vitamin D, Magnesium and Vitamin B... by thorwasdfasdf on Tuesday June 02, 2020 @02:56PM (#23394751)
I mean, it has not micronutrients: minerals and vitamins.