The average Brit will consume over 60 units of alcohol over the festive period - a unit is approximately half a pint of beer or lager or 125ml glass of wine. What is the secret to surviving a hangover and what product or foods actually work to cure it? Share's Melanie Wray asked Rob Hobson, Healthspan registered nutritionist and author of The Detox Ktichen Bible and medical nutritionist, Dr Sarah Brewer.