Professor Charles Spence, Head of Crossmodal Research Laboratory at Oxford University and author of “Gastrophysics, The New Science of Eating,” speaks about why we consume so many more calories when travelling by plane.

He said: “It seems like Brits will consume something like 3,400 calories from setting off to arriving at their destination.

“Why do we consume so much? One thing might be the stress that many of us feel while in the air. When we’re stressed we tend to eat more.”

He also said that the sound from plane engines can affect our attitude towards food. Noisy sounds can suppress our ability to taste sweet and salty, which means 15-20% more sugar and salt is added to food to give back the flavours which are lost, resulting in those extra calories being eaten.

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