David Cameron on the Alzheimer's Breakthrough
The former prime minister says it\u2019s his \u201chappiest day\u201d as president of Alzheimer\u2019s Research UK, after the discovery of the first drug to slow the disease.
He also speaks about whether he did enough during his premiership to support those who needed dementia care.
And, the BBC\u2019s health and science correspondent, James Gallagher, explains how the medication works.
This episode of Newscast was presented by James Cook and made by Tim Walklate with Miranda Slade, Madeleine Drury, Chris Flynn and Emma Jacobs. The technical producer was Emma Crowe and the assistant editor was Sam Bonham. The editor was Jonathan Aspinwall.