I imagine this is a substantial cause. And, sugar is also a physical addiction, and many children are given it in varying degrees of excessive amounts from chi

I imagine this is a substantial cause. And, sugar is also a physical addiction, and many children are given it in varying degrees of excessive amounts from childhood even if they're not particularly subjected to stress. There is a spectrum of kinds of sugars but I imagine they could be weighted by something like glycemic index for measuring the degree of impact.