OT - Darkness, melatonin may stall breast and prostate cancers

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http://www.sciencenews.org/view/generic/id/40170/title/Darkness,_melatonin_may_stall_breast_and_prostate_cancers_

Darkness, melatonin may stall breast and prostate cancers

New studies

suggest people need to respect the body’s desire for nighttime darkness

By Janet Raloff

Web edition : Friday, January

23rd, 2009

NIGHT LIGHTS AND CANCER

This satellite imagery points to regions where nighttime

illumination is brightest — and therefore where people are most likely to

experience an unnatural suppression of melatonin, a hormone shown to help fight

breast and prostate cancers.

To

stay healthy, the body needs its zzz’s. But independent of slumber, human

health also appears to require plenty of darkness — especially at night.

Or so suggests a pair of new cancer studies.

Arne

UC

1977, PSC 2000

Alive

and well in Minnesota