A new study offers compelling evidence that inflammation may be the link between vitamin D and prostate cancer. Specifically, the study shows that the gene GDF-15, known to be upregulated by vitamin D, is notably absent in samples of human prostate cancer driven by inflammation.<img src="http://feeds.feedburner.com/~r/sciencedaily/~4/LsGfKVycMXs" height="1" width="1"/>
