'Some Hope Is Better Than Having No Hope'

Published: July 7, 2021, 9:45 a.m.

When the F.D.A. approved the drug Aduhelm, the first Alzheimer\u2019s treatment to receive the agency\u2019s endorsement in almost two decades, it gave hope to many.\nBut the decision was contentious; some experts say there\u2019s not enough evidence that the treatment can address cognitive symptoms.\nWhat is the story behind this new drug?\n\nGuest: Pam Belluck, a health and science writer for The New York Times.