You sent in your questions on dementia and now we're tackling them. Professor Tara Spires-Jones, Director of the Centre for Discovery Brain Sciences at the University of Edinburgh, joins James Gallagher to go through the insidehealth@bbc.co.uk mailbag.

James also visits mushroom grower the Bristol Fungarium which has teamed up with the University of the West of England to examine a mushroom called lion's mane.

Lion's mane has a lot of hype about it online as well as a long history in traditional medicine and neuroscientist Dr Tim Craig and his team are taking it into their to lab to investigate whether it might harbour properties that could benefit people with dementia.

Thanks to everyone who sent in questions after listening to our episode 'What next for Alzheimer's treatment' which is available on BBC Sounds: https://www.bbc.co.uk/programmes/m0024ng7

Presenter: James Gallagher Producer: Tom Bonnett Editor: Holly Squire