Ultra-Processed Diets Cause Excess Calorie Intake and Weight Gain
cell.com
cell.com
Take a look at the conclusions drawn, and how the p values prove insignificant conclusions. Ie, less than 20kcal/day changes.
You can see that at best there is a small correlation. But it seems like they found numbers to prove their theory.
There was a difference in about 2-3g in carbs mostly from additional sugars. I'd be curious as to how much of that component was fructose specifically. Also of interest would be if any alcohol was consumed.
This does seem to add a lot of credence to the insulin/glucose model which has gained a lot of traction (tail wagging dog) in the lchf movement. Would be interested to see additional studies on eating windows (IF) for more/fewer meals in a more controlled environment over a similar two week period. Would also like to see more studies over time that included/grouped for insulin resistance and type 2 diabetics.