All you can eat buffets and bottomless pints are out, and life-extending holidays are in. That's according to Booking.com's 2025 travel predictions, which forecasts that this is the year when British holidaymakers will take their hunt for the elixir of life abroad. According to its research, 48 per cent of UK travellers would pay for a holiday that's sole purpose was to extend their lifespan and wellbeing. Driven by a desire to cultivate a better lifestyle, 50 per cent of British travellers are