News tagged with ultraviolet radiation

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Study: Tanning beds definitely cause cancer

(AP) -- International cancer experts have moved tanning beds and ultraviolet radiation into the top cancer risk category, deeming both to be as deadly as arsenic and mustard gas. For years, scientists have ...

dateJul 28, 2009 in Cancer
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How oxidative stress may help prolong life

(PhysOrg.com) -- Oxidative stress has been linked to aging, cancer and other diseases in humans. Paradoxically, researchers have suggested that small exposure to oxidative conditions may actually offer protection ...

dateMay 29, 2009 in Genetics
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Lettuce gets a healthy suntan

Salad dressing aside, a pile of spinach has more nutritional value than a wedge of iceberg lettuce. That's because darker colors in leafy vegetables are often signs of antioxidants that are thought to have a variety of health ...

dateMay 18, 2009 in Other
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Solar wind tans young asteroids

A new study published in Nature this week reveals that asteroid surfaces age and redden much faster than previously thought -- in less than a million years, the blink of an eye for an asteroid. This study ...

dateApr 22, 2009 in Space Exploration
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