Trust Me, I'm a Doctor - Season 8

In this programme, Michael Mosley finds out how learning a new language can help stave off dementia. Surgeon Gabriel Weston asks whether detoxing really works. GP Dr Zoe Williams looks at what you can do to improve your health if you are living with heart disease. Psychiatrist Dr Alain Gregoire finds out whether a night-time tipple can really help you get to sleep. And Dr Giles Yeo asks, could man flu actually be real?

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. Giles Yeo looks at how we can get more iron into our diet. Alain Gregoire finds out what all men need to know to protect themselves from prostate cancer. And Gabriel Weston finds out about an exciting breakthrough in gene therapy.

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 - and uncovers a potentially dangerous weakness in the drink-drive laws in England, Wales and Northern Ireland. Zoe Williams finds out what you can do to improve your health if you are living with cancer. And Gabriel Weston has the lowdown on what is safe to eat and drink when you are pregnant.

As we gear up for BBC Music Day, Michael Mosley finds out whether singing can boost feel-good chemicals in the brain, Dr Zoe Williams discovers why music could help people with dementia, and Dr Alain Gregoire looks at some new research showing the surprising benefits of group singing for mothers with post-natal depression. Also in the programme, Dr Giles Yeo finds out whether 'man flu' is real, and Gabriel Weston asks whether detoxing is a con.

Michael Mosley finds out what giving up alcohol for a month really does to your health. Gabriel Weston investigates what we really know about the risks and benefits of medical cannabis. Dr Zoe Williams reveals how to get the most out of your GP appointment. Dr Alain Gregoire discovers a surprising way massage benefits your health. And Dr Giles Yeo finds out how to avoid exam stress.

Michael Mosley finds out whether t'ai chi an offer the same health benefits as vigorous exercise - without all the huffing and puffing. Surgeon Gabriel Weston discovers a pioneering new technology that is transforming complex brain surgery. Dr Giles Yeo asks what we can do about heartburn. Dr Zoe Williams asks - how safe are the medicines we buy online?