What people mean by "food noise"
"Food noise" describes the constant background chatter about food some people experience: thinking about the next meal shortly after finishing the last one, mentally cataloguing what's in the fridge, feeling pulled toward the kitchen without being physically hungry.
The phrase itself only entered everyday vocabulary fairly recently. Part of what popularised it was people on appetite-reducing GLP-1 treatments describing what changed once the medication started working: many reported, often for the first time, going hours without thinking about food at all. That contrast gave a long-standing experience a name, because plenty of people had never had a "before" to compare it against.
Food noise isn't specific to medication, and ordinary hunger can contribute to it. Meal composition can affect hunger, so for some people a more satisfying meal may also mean fewer thoughts about what to eat next. That isn't the same effect as medication, and it won't explain every form of food noise.
The point of naming it isn't to medicalise ordinary hunger: thinking about food between meals is completely normal. It's that there's a real, recognisable difference between that and the more constant, effortful version some people live with daily, and having a name for it makes it easier to address as something worth noticing and understanding rather than a vague sense of "always thinking about snacks."
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