According to the British Dietetic Association, the average person will consume 6,000 kcals on Christmas day.
In any case, is it really plausible that in the space of 24 hours people could be digesting the equivalent of 11 McDonald's Big Macs? (THIS ONE, THE ARTICLE WRITER, SAYS IS INCORRECT)
Your chances of gaining weight this Christmas are high. Though you won't gain anywhere near as many pounds as scaremongers would have you believe, it's still worth being cautious since evidence suggests that Christmas weight is particularly hard to lose.