By Dr. Mercola
December 16 2008

Vitamin D deficiency is pandemic in the United States, but many Americans, including physicians, are not aware that they may be lacking this important nutrient.

The video above may be one of the most important videos for you and your family's health this year.

I urge you to find some time to view it so you can understand the nearly unbelievable benefits you will receive by understanding this vital nutrient.

In the second video, you will learn some important facts about sun exposure, as tanning incorrectly may indeed increase your risk of skin cancer...

For those of you who prefer to read your information, rather than watch it, I've summarized some of the most important points below.

But, again, please do take the time to watch the video lecture, as it has all the highly valuable details you need to know about vitamin D.

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