An Alzheimer's breakthrough?

The past few months have been full of Alzheimer's optimism: new ideas that could prevent the disease from taking hold, medications that seem to slow it down, and an experimental surgery that might even be able to reverse its progression. It's a lot of hype. Should we believe it? Guest: ⁠⁠Dylan Scott⁠⁠, senior correspondent at Vox To watch this episode on vid…