what part of the body does alzheimer's affect
Areas of the Brain Affected by Alzheimer's and Other Dementias Areas of the Brain Affected by Alzheimer's and Other Dementias. Alzheimer's disease is a progressive condition that destroys the connections between cells in the brain. Eventually these cells die, which affects how the brain works. As cells die in the outer layer of the brain-called the cortex-it shrinks, and the spaces in the brain get larger.