Processed food strip the nutrients from the food to have a longer shelf life, then they add flavors so it can sell easily.
Always check the product label, if the list is too long and most of it you can’t recognize or pronounce then it’s processed.
Diet and Nutrition Certificate from Brentwood Collage, London
Preventing childhood obesity Course by Future learn England
Child nutrition Course by Coursera USA
Common diseases Course by Open universities Australia