Scientists continue to unravel the complex brain changes involved in the onset and progression of Alzheimer’s disease. It seems likely that changes in the brain may begin a decade or more before memory and other cognitive problems appear.
This four-minute video, How Alzheimer’s Changes the Brain, shows how Alzheimer’s affects the brain and looks at promising ideas to treat and prevent the disease. The video is also available in Spanish.

Watch and share NIA’s video about how Alzheimer’s disease changes the brain.