228: A surprise success in Alzheimer's and how FDA history seeded modern controversy

Lecanemab, a new Alzheimer's treatment from partners Biogen and Eisai, succeeded in a pivotal clinical trial, and we explain the surprising development and its sweeping implications. Then, oncologist Mikkael Sekeres joins us to talk about his new book, which is a history of the FDA and an insider’s look at one of the agency’s most contentious drug approval hearings.