During an episode of The Tonight Show Starring Jimmy Fallon this month, Benny Blanco said he always drinks olive oil before drinking to stop him from getting a hangover. It’s gone viral online as the latest hangover hack, so we asked a nutrition expert whether it actually works – don’t rush to buy some olive oil before your next night out! Benny Blanco’s olive oil tip“My friend Nino taught me this,” the singer said. “These old guys from Italy came in. They said, ‘Before you drink, you take a shot of this, you can’t get hungover. Impossible’.” Blanco then swigged a shot of olive oil with the ch…