Final answer:
Alzheimer's disease is a neurodegenerative disorder that primarily affects the elderly and is the most common cause of dementia. The disease is characterized by the presence of abnormal clumps called amyloid plaques and tangled brain fibers called neurofibrillary tangles in the brains of patients.
Step-by-step explanation:
Alzheimer's disease is a neurodegenerative disorder that primarily affects the elderly and is the most common cause of dementia.
The disease is characterized by the presence of abnormal clumps called amyloid plaques and tangled brain fibers called neurofibrillary tangles in the brains of patients.
There are different forms of Alzheimer's disease, with early-onset and late-onset being the two primary types.