The study, which was conducted by YouGov, found that 69 per cent of drinkers aged 18 to 24 correctly stated that a pint of beer contained two units, compared with 57 per cent of drinkers over 55. Thirty-two per cent of young drinkers correctly said that a large glass of wine contained three units, compared with just 18 per cent of drinkers over 55. The findings were published...