Episode 3

Michael Mosley runs an experiment to find out if eating carbs in the evening is bad for you. GP Zoe Williams investigates a condition that leaves millions of us with painfully cold fingers, and investigates howto reduce the effects of jet lag. Psychiatrist Alain Gregoire reveals how to recognise PTSD and what you can do about it. And surgeon Gabriel Weston discovers the innovative magnetic technology helping cancer surgeons to remove tumours in the operating theatre.