23. What is Alzheimer’s
disease?

Gap-fill exercise

Fill in all the gaps, then press "Check" to check your answers. Use the "Hint" button to get a free letter if an answer is giving you trouble. You can also click on the "[?]" button to get a clue. Note that you will lose points if you ask for hints or clues!
Alzheimer’s disease is a
disease of the central system in
which the has progressive
dementia and of mental
functions.

The generally appears after 40
of age and it more frequent in
the . Image studies of the
show broad loss of tissue. (The
Alzheimer’s disease not be
confused with mental
deteriorations common in elderly.)