Hungry is a signal, but it doesn't require action. Or rather, when it is strong enough that it does require action you can tell the difference.
Unfortunately, we (US) teach people that it does require action - through advertising, through school nutrition teachings and implementations (meal + 2 snacks in a 7 hour school day, at least for young kids).
Unfortunately, we (US) teach people that it does require action - through advertising, through school nutrition teachings and implementations (meal + 2 snacks in a 7 hour school day, at least for young kids).