In the final episode of our Dementia Decoded series, we look at some of the innovative approaches that are being taken, and how they hold out new hope for the future. The prospects for a cure for neurodegenerative dementia might seem bleak - there's still so much we don't know about these conditions and about the brain itself, and research funding for it has traditionally been much lower than for other conditions that effect a similar number of people. But there's a new wave of international momentum to better understand and treat diseases like Alzheimer's, and most in the field are optimistic that a big breakthrough is coming soon.