> The sliced and bagged bread on the shelves is also more processed than the bread you might make at home or even buy from the bakery section of the grocery store. There's a reason it maintains perceived freshness much longer than bread you might make yourself.

The bakery section bread is sometimes sliced too.

Using slicing and bagging to distinguish ultra-processing is not a good idea, even if it sometimes correlates.

> I don't think their definition is a reason to discard the study. Drop the word "ultra" and it's still true that more than 2/3 of calories being consumed are from processed foods.

Processing can also mean so many different things. Sliced up raw ingredients to make a salad? Now it's processed.