UCTV Program; D-Lightful Vitamin D
UCTV Program; D-Lightful Vitamin D: Bone & Muscle Health and Prevention of Autoimmune and Chronic Diseases. Michael Holick, MD, Ph.D., Boston University, School of Medicine. An information packed hour long presentation.
Time 58:51 seconds.
The full series; http://www.uctv.tv/series/index.aspx?show=show&seriesnumber=520
also of interest, http://www.grassrootshealth.net/