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Re: Light box - Vitamin D?

Posted by Dave001 on December 31, 2004, at 21:24:55

In reply to Re: Light box - Vitamin D?, posted by Dave001 on December 31, 2004, at 20:59:55

> > > I'm not sure if I get Vit. D from this sunbox.
> >
> > If the light can't give you a sunburn, then it can't give you vitamin D. All lightboxes are shielded against UV light, so that also blocks vitamin D formation in the skin.
> >
> Why is UV light necessary for a sunburn? Is the skin unable to absorb energy from the spectrum of light with wavelengths below 400 nm?

Oops. I meant to say above 400 nm.




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