Professor Taiju Matsuzawa wanted to find out
why quite healthy farmers
in northern Japan appeared to be losing their ability to think
and reason at a rather early age
and how the speed of getting old could be slowed down.
With a team of researchers at Tokyo National University
he set about measuring brain volumes of a thousand people of different jobs.
Computer technology helped the researchers to get most measurements of the volume
of the front and side parts of brain
which have something to do with intellect and feeling
and decide the human characte
As we all know, the back part of the brain
which controls tasks like eating and breathing
does not contract with age.
Contraction of the front and side parts
--as cells die off--was seen in some people in their thirties
but it was still not found in some sixty and seventy-year olds.
Matsuzawa concluded from his tests that there is a simple way
to prevent the contraction--using the head
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