Whole foods... processed foods... and ultra-processed foods (UPFs)... What's the difference?I'm not the first to ask this question.In fact, the NOVA system assigns foods to one of four groups, based on how much processing they have been through:Group 1 - Unprocessed or minimally processed foodsGroup 2 - Processed culinary ingredientsGroup 3 - Processed foodsGroup 4 - Ultra-processed food and drink productsIn this episode, you'll get examples of foods from each group. Unsurprisingly, I also ta...