Prof Alison Avenell is interviewed by CBC Second Opinion News about the interpretation of evidence about vitamin D and colds.
Prof Alison Avenell, Health Services Research Unit, 51cg and Associate Professor Mark J Bolland, Department of Medicine, University of Auckland question a new Vitamin D study in an editorial that appeared in the BMJ last week:
Prof Avenell speaks about their findings in an interview with CBC Radio Canada: