Modern diet is good in some respects, but bad in others.<p>Some populations have famously experienced strong detrimental effects on their health when switching away from more traditional diets. North Karelian heart attacks post-WWII are a notorious example.<p>Within my field of research, we know there&#x27;s an enormous budding crisis in Southern US. A very significant fraction of all Alabama population is pre-diabetic. This is a massive public health problem. Corn syrup-driven diets are terrible.