The United States has approved a new drug which could be used to slow the progression of Alzheimer's. Globally, around 30 million people have Alzheimer's but despite that, it's the first drug to be approved in the US in decades. 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