Concept
Version 12
Created by Boundless
Physical Development in Late Adulthood

Photos depicting the progression of Alzheimer's disease
Alzheimer's disease (AD) is a neurodegenerative disease and is the most common form of dementia in older adults.
Source
Boundless vets and curates high-quality, openly licensed content from around the Internet. This particular resource used the following sources:
"Alzheimers disease progression-brain degeneration."
http://commons.wikimedia.org/wiki/File:Alzheimers_disease_progression-brain_degeneration.PNG
Wikimedia
Public domain.