Deramatology Researchers at Hope
Hospital, Salford, Manchester have
uncovered exciting evidence that oily
fish in your diet could help in the
prevention of skin cancer.
Omega
3 oils in fish have long been associated
with health benefits in conditions such
as poor concentration in children and
protection against heart disease and
dementia, but it now appears that these
essential fatty acids protect the skin
against the DNA damage that can cause
skin cancer.
Sun
burn is a major factor in the
development of skin cancer. Fair skinned
people are particularly susceptible and
sun burn increases the chances of
developing skin cancer at a later date.
The
research consisted of a group of 42
healthy people being given a fish oil
supplement that would be the equivalent
of three portions of oily fish a week.
After one month, they were less likely
to burn and after three months, their
resistance had risen to 33% less likely.
A
group of people who suffered from sun
allergy doubled their defence after 6
months.
These groups were measured against a
third group who had been given olive oil
which had no effect.
The
protection derived from the change in
diet would be equivalent to a permanent
mild sun screen but would not protect
against fierce sun.
Many people only apply sun screen if
they're officially sunbathing and then
it can be patchy.
Serious damage can happen in as little
as 15 minutes - maybe walking to the
shops or taking the dog out - doing a
bit of gardening - how many of us would
bother to put sun screen on for those
tasks?
In
the UK, skin cancer rates have doubled
every decade since 1940 and there are
now around 100,000 new cases and 2000
deaths a year. These increases are
reflected in pale skinned people all
around the world.
Much of the increase in the UK has been
put down to more people taking holidays
abroad and exposing themselves to
excessive sun. However, there are many
days in the UK when it would be
advisable to protect ourselves but
because the climate is mild overall, we
don't bother.
Increasing oily fish in your diet is
easy - even canned fish (apart from
tuna) retains the omega 3s, so salmon,
mackerel, sardines and the like can all
be used straight from the can.
Now
is the right time to make the change in
the Northern Hemisphere, so you'll have
the additional protection by next
summer.
Liz Alderson is the
webmaster of
http://find-a-seafood-recipe.com
which is a free fish and
seafood recipe site
giving advice on buying,
preparing and cooking
fish and seafood.
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