最終更新日：2025/12/29
例文
What
is
the
cause
of
insanity?
Nobody
can
answer
such
a
sweeping
question
as
that,
but
we
know
that
certain
diseases,
such
as
syphilis,
break
down
and
destroy
the
brain
cells
and
result
in
insanity.
In
fact,
about
one-half
of
all
mental
diseases
can
be
attributed
to
such
physical
causes
as
brain
lesions,
alcohol,
toxins,
and
injuries.
But
the
other
half—and
this
is
the
appalling
part
of
the
story—the
other
half
of
the
people
who
go
insane
apparently
have
nothing
organically
wrong
with
their
brain
cells.
In
post-mortem
examinations,
when
their
brain
tissues
are
studied
under
the
highest-powered
microscopes,
they
are
found
to
be
apparently
just
as
healthy
as
yours
and
mine.
Why
do
these
people
go
insane?
復習用の問題
What is the cause of insanity? Nobody can answer such a sweeping question as that, but we know that certain diseases, such as syphilis, break down and destroy the brain cells and result in insanity. In fact, about one-half of all mental diseases can be attributed to such physical causes as brain lesions, alcohol, toxins, and injuries. But the other half—and this is the appalling part of the story—the other half of the people who go insane apparently have nothing organically wrong with their brain cells. In post-mortem examinations, when their brain tissues are studied under the highest-powered microscopes, they are found to be apparently just as healthy as yours and mine. Why do these people go insane?
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