16 -— Sunday, June 25

. 1989 - North Shore News

FASHION

Protect skin from
sun’s harmful rays

THAT TOASTY tan you're plan-
ning to work on this summer can
develop into serious skin diseases.

Research has uncovered some
startling facts about the long-term
effects .of the sun ’s rays on the
skin,

Medical experts have known
since the 1950s that overexposure
to the sun causes skin cancer. .

tatistics show that 23 per cent
of the people who developed a ma-
lignant melanoma (a fast-growing,
potentially fatal form of skin
cancer) died, because the cancer
progressed beyond the possibility
of treatment.

And now doctors are saying skin
cancer has become widespread —
it is now the most common form
of cancer — and is posing a serious
health hazard. How serious? Ac-
cording to experts, among the
40,000 cases of skin cancer that
were diagnosed in Canada in 1988,
2,200 were’ melanoma. Of these
victims, 500 will die.

In the 1930s, the incidence of
melanoma among Canadians was

_ about one in 10,000. Now, about
one in 150 Canadians will develop
skin cancer by age 70.

Recognizing the dangers, dele-
gates to the annual meeting of the
Registered Nurses Association of
B.C. voted May 5 to ask the
Ministry of Health to develop
education programs to make peo-
ple more aware of the relationship
between exposure to the sun and
skin disease,, —:

Mémbers of the Association’s
Vernon Chapter-stressed the health
risks associated with exposure to
the sun.

They explain that of the three
ultraviolet rays produced by the
sun, Ultraviolet A and Ultraviolet
B (UVA and UVB) penetrate the
skin,

It is now realized that UVA is
also dangerous. Unlike UVB,
which is strongest between-10 a.m.
and 3 p.m., UVA is around all
day. And it’s strong all year
round, not just in summer, like
UVB.

Sun protection’ products focus
on blocking UVB, allowing for ex-
tended periods of exposure with

virtually no symptoms. But this is

false protection.

Researchers have found that
UVA can have some devastating
effects on your skin. UVA actually
weakens the skin cells and
suppresses the immune system.

The nurses offer several recom-
mendations that will help minimize
sun damage to the skin.

Use a sunscreen with the sun
protection factor (SPF) ap-
propriate to your skin type.

For those who burn easily, this
means a SPF of 15 or greater.

For people with skin that burns
frequently and tans lightly, the
SPF should be between eight and
15.

An SPF of six is usually effec-
tive for those with dark skin that
tans easily and doesn’t burn. To be
safe, however, everyone should use
protection between eight and 15.

Carefully check the label when

choosing a sunscreen. Be sure it
contains an effective screening
agent for both UVA and UVB
light.

Effective UVB screens are
PABA (para-aminobenzoic acid)
and DABA (esters and cin-
namiates).

Effective UVA screens are ben-
zophenones, including ox-
ybenozone, methoxybenzone and
sulfisobenzone.

Avoid direct sunlight during the
intense periods when UVB is at its
strongest — between 10 a.m. and 3

.m,

The nurses also suggest that
parents protect their children, and
keep babies under one year out of
direct sunlight.

Toddlers and older children may
be out in the sun if sunscreen is
applied.

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