The race to find a treatment for dementia | Four Corners

Dementia is one of our greatest fears as we reach older age. Despite decades of research, scientists are yet to find an effective treatment - including for dementia’s most common form, Alzheimer’s disease. Subscribe: https://ab.co/3yqPOZ5 Health expert Dr Norman Swan investigates the long and controversial search for an Alzheimer’s drug, and the science behind current theories of treatment. Is it heading in the right direction? And while the world waits for a cure, can lifestyle choices help delay the onset of dementia? _________ Watch more Four Corners investigations here: https://bit.ly/2JbpMkf​ You can also like us on Facebook:   / ​   Follow us on Twitter:   / 4corners​   _____________ Watch more ABC News content ad-free on iview: https://ab.co/2OB7Mk1 For more from ABC News, click here: https://ab.co/2kxYCZY Get breaking news and livestreams from our ABC News channel:    / newsonabc   ABC News on Facebook:   / abcnews.au   Follow ABC News on Instagram:   / abcnews_au   Follow ABC News on Twitter:   / abcnews