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Emily Thomas speaks to three 'sensory food educators' who explain why letting children sniff, touch, describe and listen to their food (as well as taste it) could have a vital impact on public health. Stina Algotson is president of Sapere International in Sweden; Dr Nicholas Wilkinson is the co-founder of Flavour School in the UK; and Sri Kannan is a sensory food educator at the University of Michigan in the US.

(Picture: Baby making mess on floor with food, Credit: Getty Images)