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Most of us have foods we refuse to eat - think coriander, or maybe olives. But where do those strong dislikes come from, and is it possible to change them?

In this episode of The Food Chain, Ruth Alexander sets out to find out whether you really can learn to love the foods you hate. From first encounters that go wrong to memories that linger, she explores why food preferences can feel so fixed, and whether anything might help shift them.

Ruth speaks to neuroscientist Dr Dana Small, professor and Canada Excellence Research Chair at McGill University, about what’s happening in the brain and body when we eat, and how unconscious reward signals shape what we come to like or avoid.

She also hears from psychologist Dr Rachel Herz, an expert on the science of smell and author of Why We Eat What We Eat, about the powerful role odour, memory and emotion play in food dislike, often before we’re even aware of it.

And registered dietitian Clare Thornton-Wood shares practical, low-pressure techniques used with both children and adults to build tolerance - and sometimes even enjoyment - for foods they can’t stand.

Producer: Izzy Greenfield Sound engineer: Annie Gardiner Picture: A woman holding a fork with a piece of broccoli in front of her, looking unsure (credit: Getty)

Can you learn to love the foods you hate?