Can you really get drunk on coffee? These women swear they do. And scientists say they might be right

Claire McGill, 41, a communications adviser from Cheltenham, rations her caffeine intake but uses the boost coffee gives her as exercise motivation.


Rachel Harris, 35, a primary school teacher from Manchester, feels giggly, light-headed and shaky after just one cup of coffee. Your genetic makeup can mean that you feel the effects of caffeine more.