Several articles say that prevotella in the gut prefers high-fiber diets. An article in Nature points to prevotella also liking chronic inflammation conditions. The chronic inflammation link is easy - kidney disease, heart disease, asthma, arthritis, etc. More prevotella. Got it.
It would be interesting to know how diet ( levels of prevotella) affected morbidity each age group.
How many victims ate a high-fiber, glucose moderating diet, say, Mediterranean, or vegan, diet, which would/should be Vit C intensive by definition? (and theoretically more protective but producing more prevotella). As opposed to meat-and-potatoes diet with less fiber, and probably both less Vit C intake and more refined sugar intake? (theoretically less protective but producing less prevotella).
What role does prevotella actually play?
just a brief:
https://www.nature.com/articles/nrgastro.2016.4
Those high fiber vegetarian diets are likely to be low in zinc as well. Another facet of the problem.