Your body has to work harder to digest, then rid itself of the extra sugar/fat/salt/alcohol, the food itself will give you higher blood pressure, which was prob

Your body has to work harder to digest, then rid itself of the extra sugar/fat/salt/alcohol, the food itself will give you higher blood pressure, which was probably higher than normal because of holiday stress, and compounded by your body having to work harder to process the meal. But it's probably just pushing people who are borderline over the edge, and not undoing years of healthy living in a weekend.