Christmas 2012: Average Briton scoffed almost 40,000 calories over festive period

The festive blow-out: Average Briton scoffed almost 40,000 calories over Christmas and gained SIX pounds in weight Typical adult consumes 15,000 calories over Christmas and a further 18,000 calories of alcohol before New Year's Day Recommended daily calorie allowance for an eight-day period is around 20,000 for men and 16,000 for women.