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Wesely-G.
T.
Shiu
EARLY
DETECTION,
TREATMENT AND
PREVENTION
ln
Hong Kong,
over
9,000 suc-
cumb
to
Cancer annually.
Cancers
grow
relentlessly,
destroying
neighbouring
structures
and
spreading
to
lymph
nodes
and
other organs. Causality
includes
viral
infection, like
the
hepatitis
B
virus;
airl
environmental
pollution
and
smoking. Genes
are
also
involved.
Nose cancers commonly
present
as
a
lump
in the
neck-in
Orientals, always investigate.
As
liver cancers lack
symptoms, check
AFP levels in
the
blood half yearly
for all
hepatitis
B
carriers.
Skin
and tongue cancers present
as
persistent wounds. Lung
cancers
present
as
persistent
dry
cough.
Colo-rectal cancers
present
as
change
of
bowel
habit or
blood
in stools. Always consult your doctor
for any suspicion.
Despite curability
by
surgery,
radiotherapy
and
chemotherapy, cancer
prevention
is
preferred. ln Hong
Kong,
all
infants
are
immunized against hepatitis
B.
Take
a
balanced healthy diet
and
avoid excessive
fat
intake.
Quit
smoking. Recently, scientists
are
studying
the
interaction
between
the
"for"
and
"against" cancer genes
in
the
body. When the "against" genes
are deficient, cancers
grow.
Gene
therapy
for
cancer
is
already
on
the
horizon.
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