Vitamin D protective against radiation?

A new story about Vitamin D, Could Vitamin D Save Us From Radiation?. I don't even post most of the stuff on Vitamin D that shows up in my RSS. I have to wonder: is there some industry group pushing this? I know that there are often fads for "miracles cures" and biochemical silver bullets.

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I work at a very reputable research lab in Boston, and they are conducting a lot of NIH funded vitamin D research.