His pitch has gained a following. Mr. Bredesen’s 2017 book, “The End of Alzheimer’s,” has sold around 300,000 copies in the United States and became a New York Times best seller.

Two new studies out today have linked the use of GLP-1 drugs to a lower dementia risk. New Africa – stock.adobe.com In one of the two new studies, published in JAMA Neurology, researchers looked ...

M.C. Lang Chevy Chase, Md. A version of this article appears in print on Feb. 7, 2025, Section A, Page 23 of the New York edition with the headline: The Price of Fraud in Alzheimer’s Research.