They're made with ingredients that are processed. The flour that goes into the bread and pasta has been stripped of all fibre and micro nutrients, then some vit

They're made with ingredients that are processed. The flour that goes into the bread and pasta has been stripped of all fibre and micro nutrients, then some vitamins might be added back if you're lucky. The bread is full of refined sugar. You need to look at the ingredients recursively. If you eat wholegrain everything you're half way there. Same applies to rice etc. The reason they remove the good stuff is so it doesn't spoil, if you remove the nutrients it's less appetising to microbes and pests.