Alzheimer's patient shares her cautious optimism for a new drug being trialled in the US

Silvia Speight was diagnosed with Alzheimer's disease four years ago, and spoke to Sky News her hope for the newest Alzheimer's trial drug, with her daughter Tanya Ord. Aducanumab targets amyloid - plaque that builds up in the brains of people with Alzheimer's - helping to slow the onset of the condition. It is the first treatment to target the cause of the disease, as existing ones only help to ease symptoms. SUBSCRIBE to our YouTube channel for more videos:    / skynews   Follow us on Twitter:   / skynews   Like us on Facebook:   / skynews   Follow us on Instagram:   / skynews   For more content go to http://news.sky.com and download our apps: Apple: https://itunes.apple.com/gb/app/sky-n... Android https://play.google.com/store/apps/de... Sky News videos are now available in Spanish here/Los video de Sky News están disponibles en español aquí    / @skynewsespanol