By Dr. Mercola
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.
The Role of Vitamin D in Your Body
There are only about 30,000 genes in your body and vitamin D has been shown to influence about 3,000 of them.
That is one of the primary reasons it influences so many diseases, from cancer and autism to heart disease and rheumatoid arthritis, just to name a few.
Vitamin D isn't actually a vitamin, although scientists refer to it as such.
It's actually a steroid hormone that you get from sun exposure, food sources and/or supplementation.
The term refers to either vitamin D2 or D3, but D3 (chemical name 25-hydroxy vitamin D) is real vitamin D—it's the same substance produced naturally through your skin by sun exposure. Older research appears at odds on whether your body cares which form of D it's getting, but a study in the January 2011 Journal of Clinical Endocrinology & Metabolism found that D3 is 87 percent more effective than D2, and is the preferred form for treating vitamin D deficiency.
Watch the full video or read the full article here.
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