Why we're more prone to car-sickness when we set off on holiday

Travel sickness isn’t just hearsay. Nearly a third of people experience motion sickness – and to this day we don’t exactly know what causes it. The prevailing theory suggests it is triggered by a poor perception of movement.

Departure to and return from summer holidays seem moments especially prone to this sickness’ stealthy advances. We (or at least those of us inclined to travel sickness) are…

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