Alzheimer's disease is a degenerative brain disorder that affects more than 4 million
Americans. Neuroscientists have many theories about the causes of Alzheimer's and are
searching for clues as to causes of the neuronal destruction of the brain in this disease.
Which of the following factors would not contribute to a loss of brain function?
A. stroke
B. aging
C. head trauma
D. arthritis
E. clogged arteries