What if you could take a pill or a shot that could reduce your blood alcohol level and make you feel better in the morning? That’s the promise of a range of wellness products aiming to be the next big hangover antidote. But what exactly are hangovers, and which methods of preventing them are backed by science? Madeleine Finlay speaks to Dr Sally Adams, an alcohol researcher and associate professor of psychology at the University of Birmingham. Help support our independent journalism at theguardian.com/sciencepod