Surgeon Gabriel Weston uncovers extraordinary cases that are bringing new discoveries about the human body. This week, we meet a girl whose heart has formed outside her ribcage. Show more
Going behind the headlines to answer health questions. Does caffeine really help us to stay alert and what are the alternatives? Ways to boost our brains are put to the test. Show more
Catching History's Criminals: The Forensics Story
Episode 2: Traces of Guilt
59 minutes
First broadcast: on BBC FourLatest broadcast: on BBC Four HD
Available for years
Gabriel Weston looks at cases that were solved by examining the smallest traces of forensic evidence, and investigates the cutting-edge techniques being used today. Show more
Going behind the headlines to answer health questions. Dr Chris van Tulleken discovers how to make some favourite meals healthier without changing a single ingredient. Show more
Gabriel Weston uncovers extraordinary cases that are bringing new discoveries about the human body. In this episode, we meet a man who injects himself with deadly snake venom. Show more
Going behind the headlines to answer health questions. Dr Chris van Tulleken investigates whether garlic, beetroot and watermelon can reduce blood pressure. Show more
Michael Mosley and the team of doctors are in Lancaster to test if trees could help solve the hidden health threat of air pollution. Show more
Michael Mosley runs an experiment to find out which foods are best for providing the essential but neglected nutrient iodine, and Giles Yeo discovers why stress can make you fat. Show more
Michael Mosley finds out whether singing can boost feel-good chemicals in the brain, and Dr Zoe Williams discovers why music could help people with dementia. Show more
Gabriel Weston explores extraordinary cases that are helping uncover the mysteries of the human body, including a man who feels no pain and a woman who can smell Parkinson's. Show more
Gabriel Weston uncovers extraordinary cases that are revealing new discoveries about the human body, including a girl with two hearts and a man who can sing two notes at once. Show more
Gabriel Weston uncovers extraordinary cases that are disclosing new discoveries about the human body, including a man with bones as strong as granite. Show more
The definitive answers to health questions. The doctors reveal how to stick to the health resolutions we made at New Year, but are already struggling to keep. Show more
Dr Chris van Tulleken runs a groundbreaking experiment with the University of Surrey to see whether simply changing our mealtimes can help us all lose weight. Show more
Michael Mosley and Zoe Williams test whether 'exercise snacking' - short bursts of exercise integrated into daily life - can be as good for your health as one long workout. Show more
Michael Mosley and the doctors undertake the most ambitious experiment yet on the series - testing whether the spice turmeric could help protect us against cancer. Show more
The definitive answers to health questions. Dr Saleyha Ahsan oversees a world-first experiment to see how we can burn more fat without doing more exercise. Show more
Michael Mosley finds out whether a glass of wine can protect your blood vessels from the harmful effects of junk food. Giles Yeo sets out to test home breathalyser kits. Show more
Gabriel Weston unlocks the secrets of the human body, meeting an engineer who fixed his own heart and a toddler whose bones were repaired before he was even born. Show more
Series giving answers to health questions. Michael Mosley finds out if eating carbs in the evening is bad for you, while psychiatrist Alain Gregoire reveals how to recognise PTSD. Show more