How much Vitamin D is enough?

[KMSP Fox 9 News, October 26, 2012] Researchers at Loyola University-Chicago calculate 78.7 million adults once considered to have insufficient vitamin D levels now have sufficient levels under the new guidelines. An Allina Health doctor, Greg Plotnikoff at the Penny George Institute for Health & Healing, says that is "garbage" based on his own research at Allina.

Watch the FOX9 story.

A similar story aired on KSTP TV, Thursday, October 25, 2012.

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