Public health expert Dr Nathan Grills says Santa is overweight - and blames the mince pies and alcohol left out for him by families worldwide.
He says Father Christmas must be over the limit while driving his sleigh, after all those beers, brandies and sherries - and he doesn't even wear a seatbelt.
Dr Grills was assessing the negative impact of Santa's image on public health in literature and on the web in a tongue-in-cheek article in the British Medical Journal.
