Alzheimer’s and Parkinson’s are both diseases affecting the central nervous system

and they share some similar characteristics. Which of the following is only true for

Alzheimer’s disease?

APatients suffer from the degeneration of nerve cells in the brain.
BSymptoms can be treated with medications that increase acetylcholine in the

brain.

CIt mostly affects people over the age of 55 and presently has no cure.
DPatients lack a neurotransmitter essential for normal brain functioning