Once you catch a whiff of something tasty, your olfactory system signals your gut to release ghrelin, which can lead to false hunger, Nolan says. “You may know you ate, but that doesn’t mean your stomach isn’t going to growl,” she says. Likewise, seeing food can spur psychological hunger, even if you’re not physiologically hungry.
When it comes to snacking, do you feel like once you pop, you can’t stop? Your biology, habits, and surroundings may all be to blame.
12. You smell or see food
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