Comment GUIDE to get ZOE’s 8 Nutrition Principles. If episode 1 of Professor Tim Spector's new Channel 4 series What Not To Eat left you feeling unsettled or wondering how food became so confusing, you’re not alone. Our food environment is designed to confuse us. High-risk ultra-processed foods are engineered to be irresistible. Marketing labels like “low-fat” and “healthy option” make it even harder to know what to trust. Not all processed foods are created equal, and online, contradictory advi