Vitamin D: How much is enough?

[KMSP Fox 9, March 18, 2015] Not getting enough vitamin D can lead to all kinds of health problems. But a new study suggests it might be possible to get too much vitamin D. Dr. Greg Plotnikoff from Allina Health's Penny George Institute for Health and Healing, says don't worry about getting too much. Not getting enough is a much bigger problem.

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