Photo by George Pak : https://www.pexels.com/photo/two-tourists-eating-a-chinese-food-on-the-street-7969195/ Couple eating food on holidayOne of the best parts of travelling and going on holiday is trying new foods. This year, I visited Prague for the first time and enjoyed the culinary delight that is tartar sauce on chips and have not looked back since. Dr Rajan adds: “Travel stress also hits the vagus nerve… the communication superhighway between gut and brain. “When stress is high (tight connections, delays, mysteriously expensive airport sandwiches), vagal activity drops. Our bodies are tense, our brains are trying to keep on top of everything and we have likely been on the go for hours.