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It seems like a misnomer that eating a food could actually make you hungrier - but thanks to a complex mix of tastebuds, blood sugar and glycaemic index ratings, it's actually entirely possible.

Take these delicious, salty hot chips for example. They have a GI rating of 51, which means they're likely to give you quick, short-lasting energy. But the by-product of quick energy is the inevitable "crash" that follows - and when your blood sugar levels crash, your body boosts its appetite in response.