Doctors in Santa hats a ho, ho, ho or a no, no, no?

Clinicians reveal how to mix reindeer jumpers and elf socks with medicine: BMJ
Festive wear

It’s that time of year when doctors might don their best Santa hats, sparkly bauble earrings and reindeer antler headbands in an effort to spread a little festive cheer.

But is a silly hat reasonable — or professional — in a job where the news for patients can be serious, even at Christmas time?