You're sitting at your desk trying to work, but your brain keeps circling back to food. What's for lunch? Should you snack? You already ate, so why are you still thinking about it? Then comes the guilt. Then more cravings. Then the cycle starts again. If this sounds painfully familiar, you're experiencing what's become known as "food noise" — and you're far from alone. What Exactly Is Food Noise? Food noise is the constant, intrusive mental chatter about food that goes beyond