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Published 11:24 11 Dec 2019 GMT
Updated 15:42 16 Dec 2019 GMT

"Traditions trigger emotions that we want to experience and being a sensory delight, food is a short-cut to these feelings," independent psychologist Greg Tucker said of the findings.
"But whilst food is the catalyst to these emotions, it isn’t the root cause, so we shouldn’t be afraid to step outside of our comfort zone and enjoy something different this Christmas."
The research was commissioned by Subway as part of the launch of their festive menu, which allows customers to eat what they want this Christmas rather than feel obliged to stick to the traditional turkey.