We discussed the dramatic importance and reassuring safety of vitamin D with Bruce W. Hollis, Ph.D. He is Professor of Pediatrics, Biochemistry and molecular Biology, College of Medicine, Medical University of South Carolina (MUSC) and Director of the Pediatric Nutritional Science at MUSC. A search of the government research database (PubMed.gov) returned 210 papers showing Dr. Hollis as an author. Dr. Hollis video presentation: Results of a Prostate Cancer/Vitamin D Trial: Effectiveness / Safety Recommendations. Dr. Hollis tells us of some interesting hurdles in conducting and publicizing groundbreaking vitamin D research studies especially regarding pregnancy and breast feeding. Video interview of Dr. Hollis. Off-topic bonus: Ideas for dealing with leftover Halloween candy.