Robert Lustig has been preaching this for years: https://www.amazon.com/Metabolical-Processed-Nutrition-Modern-Medicine/dp/0063027712 https://www.amazon.com/Me

Robert Lustig has been preaching this for years: https://www.amazon.com/Metabolical-Processed-Nutrition-Modern-Medicine/dp/0063027712 https://www.amazon.com/Metabolical-Processed-Nutrition-Moder... A good rule of thumb if you care about avoiding UPFs but don't want to overly limit your diet is to only buy foods with 5 ingredients in them (plus or minus 2 :).