Dr Sarah Jarvis trained at Cambridge and Oxford Universities and became a GP in inner-city London in 1990. She was a GP trainer for 25 years and is clinical consultant to the health website patient.info.

She has been a medical broadcaster for almost 30 years and is doctor to BBC Radio 2 and ITV lunchtime news, as well as appearing regularly on BBC Breakfast, Good Morning Britain, Channel 5 and BBC Radio 5 live.