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Yan
Ming
SHOULD
WE
TAKE
DEEP
SEA FISH OILS?
Deep sea
fish
oils
is
simi-
lar
to the
good
old cod
liver
oil. Fish
oilcapsules
are clear,
pale
yellow
in
color but are not
made
from cod livers.
Rather,
they are
made
from
marine
fish for their eicosapentanoic
acid
(EPA)
and
docosahe-
xaenoic acid (DHA) contents.
ln
fact,
EPA
and
DHA are
also
found
in
fresh water
fishes;
fish
oil
is also
not
specific to
any part
of
the fish. As fish oils
have
only
a
mild
action
against
the
formation
of clots,
taking
large quantities
is
required.
Fish oils
are
not di-
rectly
related to
the incidence
of heart infarcts,
i.e.,
they
do
not
reduce such
incidences.
Lastly, one
US
study showed
no change demonstrable
by
coronary angiograms after
administration
for 2
years.
Nevertheless,
a
significant
number
of
specialists still be-
lieve
that
deep sea
fish
oils
have supplementary effects
on
the
management of
heart
and brain
blood
vessel
diseases. Consumers
are
cautioned that excessive dos-
ages
of
EPA
and
DHA
have
side effects of dizziness
and
nausea.
As
a
health
food,
these fish oils may be appro-
priate
for
adults
with
high
cholesterols.
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