Too much sugar in the diet in the first place ?
Is it too much sugar? Or too frequent sugar? Is it any sugar? Or is it fructose in particular?
Inquiring minds want to know.
No idea.
The mechanism seems to be a reaction to high blood sugar. Why when how ? Simple preventative hypothesis seems to be limit sugar. And for that matter starch. No fries with that !
Not sugar, or at least, not just sugar. It is carbs, particularly those with a high glycemic index, like French bread.