Health & Sexuality Archives: October 2011
9 things that can undermine your vitamin D level
Copyright © 2011 by Harvard University.http://www.health.harvard.edu According to 2011 National Center for Health Data statistics, almost one in three Americans has vitamin D blood levels below 20 nanograms per milliliter (ng/ml), the threshold that the Institute of Medicine (IOM) says is needed for good bone health. Some experts say even higher levels are needed. Figuring […]