Holiday feasts are a time of joy, socializing, and, inevitably, gastronomic excesses. Traditional holiday dishes are usually oversaturated with animal fats, simple carbohydrates, sugar, and alcohol, but at the same time critically low in fiber. For our body, such a sharp shift in diet is not just a burden on the liver or pancreas, but a real shock to our main "superorgan" - the intestinal microbiome

We all know people who can eat cake all night and not gain weight, while others can gain weight just by looking at dessert. For decades, we’ve been told that the secret to weight loss is simple math: eat fewer calories than you burn.