Like
all
types
of
____________________
,
Alzheimer's
is
caused
by
brain
____________________
death
.
It
is
a
____________________
disease
,
which
____________________
there
is
____________________
brain
cell
death
that
happens
over
a
course
of
____________________
.
The
total
____________________
size
shrinks
with
____________________
?
the
tissue
has
____________________
fewer
nerve
cells
and
____________________
.
