Season 7 - Episode Guide

In this programme, Michael Mosley finds out why fizzy drinks make you eat more. GP Dr Zoe Williams investigates whether caffeine boosts your physical performance. Geneticist Dr Giles Yeo discovers what men cando about baldness. Surgeon Gabriel Weston looks into the new artificial pancreas that could transform life for diabetics. And Dr Alain Gregoire gives the psychiatrist's guide to obsessive compulsive disorder.

Michael Mosley runs an experiment to test the claim that coconut oil can cut cholesterol. Giles Yeo investigates how much fruit is too much. Zoe Williams investigates a sleep disorder that causes up to 40,000 road accidents a year. Michael quizzes two experts on whether genetic testing kits are worth the money. And Alain Gregoire finds out how you can use your eyes to help cope with age-related hearing loss.

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 find out which foods are best for providing a crucial but neglected nutrient: iodine. Geneticist Dr Giles Yeo discovers why stress can make you put on weight. GP Dr Zoe Williams tackles the question: how safe are x-rays? Michael questions two experts on how the NHS spends our money. And psychiatrist Dr Alain Gregoire reveals how mental health first aid aims to reduce the rates of suicide and mental illness.

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.

Michael Mosley teams up with Olympic athletes to test which types of exercise give you the strongest bones. Geneticist Dr Giles Yeo investigates how to stay healthy if your body clock is out of sync with yourwork day. GP Dr Zoe Williams looks into which health advice on the internet you can trust. And surgeon Gabriel Weston carries out an experiment to discover if cleaning our homes with antibacterial products could be responsible for the rise in allergies and asthma.