I'm not surprised at this and think that we should be mindful of it but it's still very important to enjoy festivities. Really the problem is we are a consumer based society and can consume and then consume some more.
I think it's interesting that to burn off these extra calories you'd need to go for a run on Boxing Day for 8 hours or walk for over 21 hours.
Personally I switch off when I'm full but do consume more calorie rich foods over the Christmas period and enjoy them, I also do not drink alcohol and thats where lots of calories come from so if you do have to much Prosecco 🍸 🍸🍸 remember it's not a hang over it's wine flu...🤶
Here's the article: