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.

Michael Mosley runs an experiment to test whether beetroot and leafy greens can give your body and brain a boost. GP Dr Zoe Williams investigates the new generation flu vaccine and gives advice on which healthapps for your phone can be trusted. Surgeon Gabriel Weston discovers a new treatment that promises to improve the mobility of stroke survivors. And psychiatrist Dr Alain Gregoire reveals how to spot generalised anxiety disorder and what you can do about it.