The crunch sound of food makes your brain think it’s more satisfying, so louder crunching makes you want to eat more.

Your brain doesn’t just care about how food tastes—it also cares about what it does for your body, and both things together make you want to eat more.

When you eat tasty food, your brain releases dopamine right away from the taste, and then again later from your body sensing the nutrients—two different brain areas handle each part.