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this post was submitted on 15 Aug 2026
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I probably wouldn't mind the ubiquitous use of the "new system" from the University of São Paulo if I didn't keep seeing it used incorrectly, with its added category treated as causal of poor health instead of correlated with poor health.
Americans aren't overweight because of the "ultra-processed" portion of our high-calorie high-salt diet. Americans are overweight because our diet is high-calorie and high-salt!
It's entirely possible to have a healthy diet that consists only of "Nova" category 4 foods. And entirely possible to have an unhealthy diet that consists only of "unprocessed" category 1 and "ingredient" category 2 foods.
(And unless it's a damn acronym, "nova" should not be capitalized!)
Oh, I'd argue strongly that the former is also a factor. For one thing, the whole idea of calories in-calories out is a highly flawed concept that whiffs a lot on how the body actually processes foods. Things like resistant starches and slow-digesting grains are key in absorbing food in a consistent manner that avoids glycogen spikes and delivers a smoother energy experience that helps cut down cravings and vicious junk-food circles, so to speak.
Also, the more processed a food is, typically the less vitamins, minerals, fibre, phytochemicals and so forth it contains, all things the body needs and even craves. And there's a natural tendency to eat when one feels a lack of something, which can be some or all of those things above.
https://en.wikipedia.org/wiki/Nova_classification
"New classification", not "new system". The rest of your inference agrees with my understanding.