Why we crave these ... and not fruit and veg | Mail Online

Are urges to eat unhealthy food purely down to greed? We ask experts...

It is the question that has foxed dieters and scientists alike: Why do we crave sugary snacks or fat-laden junk foods and not more healthy options such as, say, an apple?

Some claim to have 'a sweet tooth', or 'a salt tooth'. And many believe cravings are the body's way of telling them what they need. But how true is that really?

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