Monday, April 28, 2008

The UN-news season is upon us but BEWARE of Sun Screens!.

Just in time for the "silly season" news cycle we have had
our first shark-scare story.

It was predictable.

It was inevitable.

It was essentially meaningless except for the individuals
touched by the tragedy - it means nothing more than a
story about someone being killed by a lightning strike
which is much more common than shark kills.

It is too soon to know if this will be the big "scare" story
theme for this Summer. It could still be the Red Tide; people
stealing cars from vacationers just to get the gas in their tanks;
but we know there will ALWAYS be a big and,
critically important, a scary story running through the
Summer to keep people watching the TV news.

A perrenial story is that of the need for sun screen.
The TV always gets this wrong. Sun screens, like window
glass, filter out half of the UV. Unfortunately the blocked part (UVB)
is the part that generates Vitamin-D. UVA, passed by glass
and most sun screens, actually destroys Vitamin-D, perhaps
explaining the increase in deaths due to Vitamin-D defficiency.

According to
Photochemistry and Photobiology: Vol. 81, No. 6, pp. 1276–1286.
about 60,000 people in the U.S. and another 20,000 in the
United Kingdom die each year of a lack of Vitamin-D.

for details. is certified by HON as providing
"trustworthy" health information.

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