What with Christmas parties and work drinks, this time of year can feel like one long hangover. But a new generation of alcohol-free alternatives is emerging which claim to offer the fun of alcohol without the painful morning-after. Madeleine Finlay and Ian Sample are joined by science correspondent Hannah Devlin to sample some of these drinks and interrogate the science behind them. Help support our independent journalism at <a href="https://www.theguardian.com/sciencepod">theguardian.com/sciencepod</a>