It’s the rare woman who doesn’t experience the occasional food craving: Yearning for chocolate, lollies or chips is a phenomena seen almost universally across cultures in women of child-bearing age, says Dr Marcia Pelchat, a retired sensory scientist who studied food cravings. (Men get off easier, with only two-thirds of them reporting cravings.)

What’s going on when you feel like you just gotta eat a certain something? Here are 6 messages that your cravings may be trying to send you.