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Drinking
water,
strokes
linked
LONDON, Monday
(AAP). - Men living in
areas where the drinking
water is hard lived longer
and were Jess likely to
have strokes and coron
ary-artery disease, the
Sunday Times reported.
Medical correspondent
Dr Alfred Byrne wrote,
"There is evidence that
some component of hard
wafer, calcium possibly, is
responsible.
"Data in support of this
theory have come from
two adjoining areas in
north Lincolnshire.
Death
rates
"In one of them natu
rally hard ' water from
chalk bore-holes has" been
softened for some years by
'base - exchange resins*
which reduce the calcium
level from 119 parts per
million to 40.
"The neighbouring area,
served by a different water
board, distributes hard
water from the bore-holes
without adding any soften
ers.
"The death rate from all
causes among men aged
45 to 64 in the district
with softened water was
1,209 per 100,000, whereas
in the hard-water area it
was 895.
"Death rates for cardio
vascular disease were 5?8
and 397 respectively.
"Dr J. S. Robertson,
medical officer for Barton
on-Humber, gives these
figures in the current issue
of the Lancet".
$