Newsweek | Death rate from Alzheimer's vastly underreported, study says CTV News For the study, more than 2,500 people aged 65 and older were tested annually for Alzheimer's. After an average of eight years, 1,090 study participants had died, and 559 participants who did not have dementia when the study began developed Alzheimer's. Alzheimer's Disease A Deadlier Threat Than Previously Thought, Study Finds Alzheimer's may kill as many people as heart disease, cancer: Study Alzheimer's deaths much more common than realized: study |