A doctor has revealed the foods he recommends eating after drinking alcohol to boost hydration and help blood sugar levels. Keeping hydrated is key if you've enjoyed a few drinks because ' dehydration is one of the most common causes of a hangover', Dr Donald Grant, GP and Senior Clinical Advisor at The Independent Pharmacy , explains. Fortunately, there are lots of tasty snacks you can enjoy for a boost, including bananas. The expert told the Mirror: " Upon returning home from a night out, I