I can't think of a time my family has had a fight on Christmas, which is a good thing. New research is showing the most common reason families fight on Christmas. Dr. Paul Clayton, of the Royal Society of Medicine, says the reasons families fight during the holidays is because of the food they eat. He says most Christmas meals contain salty foods, which cause people to drink alcohol to quench their thirst. This leads to people getting drunk and fighting. "There are tremendous psychosocial pressures at Christmas. There are people you haven't seen for ages and maybe don't want to see, you're probably suffering from spending a lot of money and on top of it, you have your blood sugar levels all over the place and that is not a good recipe for a calm, relaxing day."

So, if you see people starting to get grouchy, remind them to eat something. And quit being a Grinch!

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