This months, December 2009, newsletter highlights a study that shows that vitamin D is perfectly safe during pregnancy and most likely 4000 IU per day is not enough.

Another study shows the dramatic risk of heart disease, stroke, and death when being vitamin D deficient.

Also comments on the H1N1 and the website.

Dr. John Cannell of the Vitamin D Council does an excellent job in describing various diseases when vitamin D deficient and all things vitamin D.  If you have not seen the newsletter archives then you may find a topic of interest.