Thanks, MrsD. I hadn't seen that one.

I also just watched this one... informative, and very entertaining as well!

D-Lightful Vitamin D: Bone & Muscle Health and Prevention of Autoimmune and Chronic Diseases by Michael Holick, MD
http://www.ucsd.tv/search-details.aspx?showID=15773

and another:
Vitamin D and Diabetes... Can we prevent it?
http://www.youtube.com/watch?v=wTtmv...eature=channel
Presentation on YouTube... 48 minutes... by Frank Garland, PhD, Naval Health Research Center