The shops are packed, the obligatory pictures of decorated trees are filling up our Facebook feeds, and the kids are going crazy; there’s no doubt about it, Christmas is just around the corner. Some of the things this time of year brings are unavoidable: hearing Michael Bublé everywhere you go, trying to find the perfect present for relatives you only ever see in December, and donning an ugly festive jumper. But there’s one thing you might not have thought about as you get ready for the big day… your health!