Peer-Reviewed Publication MASS GENERAL BRIGHAM WHO: Mass General Brigham researchers, Dr. Chirag Vyas and Dr. Olivia I. Okereke at Massachusetts General Hospital, and Dr. Howard Sesso and Dr. JoAnn Manson at Brigham and Women’s Hospital WHAT: Cocoa extract has shown a potential protective effect on cognition but randomized clinical trials in older adults have had...