A diet high in ultra-processed foods could hurt your brain for similar reasons that these diets are connected to a slew of other chronic diseases. Processed foods can be healthy; it’s the ultra-processed items that are linked to poor health. What’s the difference? Very generally, ultra-processed foods use ingredients not found in a home kitchen. Learn more about reducing the quantity of ultra-processed foods in your diet: https://on.natgeo.com/40VuSWK | National Geographic